Home / 56,132.83-84,242.07-20,627.79

Finding the Fourth Proportional to 56,132.83, 84,242.07 and 20,627.79

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Solution

The fourth proportional to 56,132.83, 84,242.07 and 20,627.79 is: 30,957.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,132.83 : 84,242.07 = 20,627.79 : x
  2. Step 2: Convert to fraction form
    56,132.83/84,242.07 = 20,627.79/x
  3. Step 3: Cross multiply
    56,132.83x = 84,242.07 × 20,627.79
  4. Step 4: Simplify right side
    56,132.83x = 1,737,727,729.13
  5. Step 5: Solve for x
    x = 1,737,727,729.13/56,132.83
  6. Step 6: Final answer
    x = 30,957.42

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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.