Home / 42,249.78-63,351.45-14,155.07

Finding the Fourth Proportional to 42,249.78, 63,351.45 and 14,155.07

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Solution

The fourth proportional to 42,249.78, 63,351.45 and 14,155.07 is: 21,224.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,249.78 : 63,351.45 = 14,155.07 : x
  2. Step 2: Convert to fraction form
    42,249.78/63,351.45 = 14,155.07/x
  3. Step 3: Cross multiply
    42,249.78x = 63,351.45 × 14,155.07
  4. Step 4: Simplify right side
    42,249.78x = 896,743,892.59
  5. Step 5: Solve for x
    x = 896,743,892.59/42,249.78
  6. Step 6: Final answer
    x = 21,224.82

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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.