Home / 42,444.16-63,666.07-12,864.38

Finding the Fourth Proportional to 42,444.16, 63,666.07 and 12,864.38

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Solution

The fourth proportional to 42,444.16, 63,666.07 and 12,864.38 is: 19,296.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,444.16 : 63,666.07 = 12,864.38 : x
  2. Step 2: Convert to fraction form
    42,444.16/63,666.07 = 12,864.38/x
  3. Step 3: Cross multiply
    42,444.16x = 63,666.07 × 12,864.38
  4. Step 4: Simplify right side
    42,444.16x = 819,024,167.10
  5. Step 5: Solve for x
    x = 819,024,167.10/42,444.16
  6. Step 6: Final answer
    x = 19,296.51

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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.