Home / 42,011.52-63,018.48-15,711.24

Finding the Fourth Proportional to 42,011.52, 63,018.48 and 15,711.24

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Solution

The fourth proportional to 42,011.52, 63,018.48 and 15,711.24 is: 23,567.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,011.52 : 63,018.48 = 15,711.24 : x
  2. Step 2: Convert to fraction form
    42,011.52/63,018.48 = 15,711.24/x
  3. Step 3: Cross multiply
    42,011.52x = 63,018.48 × 15,711.24
  4. Step 4: Simplify right side
    42,011.52x = 990,098,463.72
  5. Step 5: Solve for x
    x = 990,098,463.72/42,011.52
  6. Step 6: Final answer
    x = 23,567.31

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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.