Home / 42,547.13-63,849.85-14,845.13

Finding the Fourth Proportional to 42,547.13, 63,849.85 and 14,845.13

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Solution

The fourth proportional to 42,547.13, 63,849.85 and 14,845.13 is: 22,277.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,547.13 : 63,849.85 = 14,845.13 : x
  2. Step 2: Convert to fraction form
    42,547.13/63,849.85 = 14,845.13/x
  3. Step 3: Cross multiply
    42,547.13x = 63,849.85 × 14,845.13
  4. Step 4: Simplify right side
    42,547.13x = 947,859,323.73
  5. Step 5: Solve for x
    x = 947,859,323.73/42,547.13
  6. Step 6: Final answer
    x = 22,277.87

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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.