Home / 45,193.88-62,346.46-28,436.12

Finding the Fourth Proportional to 45,193.88, 62,346.46 and 28,436.12

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Solution

The fourth proportional to 45,193.88, 62,346.46 and 28,436.12 is: 39,228.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,193.88 : 62,346.46 = 28,436.12 : x
  2. Step 2: Convert to fraction form
    45,193.88/62,346.46 = 28,436.12/x
  3. Step 3: Cross multiply
    45,193.88x = 62,346.46 × 28,436.12
  4. Step 4: Simplify right side
    45,193.88x = 1,772,891,418.14
  5. Step 5: Solve for x
    x = 1,772,891,418.14/45,193.88
  6. Step 6: Final answer
    x = 39,228.57

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Half scale
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Double scale
Find fourth proportional to 45,194.88, 62,347.84 and 28,437.12
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.