Home / 42,006.66-62,988.57-13,916.58

Finding the Fourth Proportional to 42,006.66, 62,988.57 and 13,916.58

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Solution

The fourth proportional to 42,006.66, 62,988.57 and 13,916.58 is: 20,867.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,006.66 : 62,988.57 = 13,916.58 : x
  2. Step 2: Convert to fraction form
    42,006.66/62,988.57 = 13,916.58/x
  3. Step 3: Cross multiply
    42,006.66x = 62,988.57 × 13,916.58
  4. Step 4: Simplify right side
    42,006.66x = 876,585,473.49
  5. Step 5: Solve for x
    x = 876,585,473.49/42,006.66
  6. Step 6: Final answer
    x = 20,867.77

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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.