Home / 30,844.80-46,364.40-30,261.60

Finding the Fourth Proportional to 30,844.80, 46,364.40 and 30,261.60

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Solution

The fourth proportional to 30,844.80, 46,364.40 and 30,261.60 is: 45,487.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,844.80 : 46,364.40 = 30,261.60 : x
  2. Step 2: Convert to fraction form
    30,844.80/46,364.40 = 30,261.60/x
  3. Step 3: Cross multiply
    30,844.80x = 46,364.40 × 30,261.60
  4. Step 4: Simplify right side
    30,844.80x = 1,403,060,927.04
  5. Step 5: Solve for x
    x = 1,403,060,927.04/30,844.80
  6. Step 6: Final answer
    x = 45,487.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.