Home / 42,342.40-63,500.29-15,321.26

Finding the Fourth Proportional to 42,342.40, 63,500.29 and 15,321.26

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Solution

The fourth proportional to 42,342.40, 63,500.29 and 15,321.26 is: 22,977.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,342.40 : 63,500.29 = 15,321.26 : x
  2. Step 2: Convert to fraction form
    42,342.40/63,500.29 = 15,321.26/x
  3. Step 3: Cross multiply
    42,342.40x = 63,500.29 × 15,321.26
  4. Step 4: Simplify right side
    42,342.40x = 972,904,216.42
  5. Step 5: Solve for x
    x = 972,904,216.42/42,342.40
  6. Step 6: Final answer
    x = 22,977.07

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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.