Home / 42,006.89-63,011.55-15,706.59

Finding the Fourth Proportional to 42,006.89, 63,011.55 and 15,706.59

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Solution

The fourth proportional to 42,006.89, 63,011.55 and 15,706.59 is: 23,560.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,006.89 : 63,011.55 = 15,706.59 : x
  2. Step 2: Convert to fraction form
    42,006.89/63,011.55 = 15,706.59/x
  3. Step 3: Cross multiply
    42,006.89x = 63,011.55 × 15,706.59
  4. Step 4: Simplify right side
    42,006.89x = 989,696,581.11
  5. Step 5: Solve for x
    x = 989,696,581.11/42,006.89
  6. Step 6: Final answer
    x = 23,560.34

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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.