Home / 30,992.25-46,657.02-28,236.63

Finding the Fourth Proportional to 30,992.25, 46,657.02 and 28,236.63

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Solution

The fourth proportional to 30,992.25, 46,657.02 and 28,236.63 is: 42,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,992.25 : 46,657.02 = 28,236.63 : x
  2. Step 2: Convert to fraction form
    30,992.25/46,657.02 = 28,236.63/x
  3. Step 3: Cross multiply
    30,992.25x = 46,657.02 × 28,236.63
  4. Step 4: Simplify right side
    30,992.25x = 1,317,437,010.64
  5. Step 5: Solve for x
    x = 1,317,437,010.64/30,992.25
  6. Step 6: Final answer
    x = 42,508.60

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Half scale
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Double scale
Find fourth proportional to 30,993.25, 46,658.53 and 28,237.63
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.