Home / 42,654.62-63,981.93-13,072.34

Finding the Fourth Proportional to 42,654.62, 63,981.93 and 13,072.34

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Solution

The fourth proportional to 42,654.62, 63,981.93 and 13,072.34 is: 19,608.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,654.62 : 63,981.93 = 13,072.34 : x
  2. Step 2: Convert to fraction form
    42,654.62/63,981.93 = 13,072.34/x
  3. Step 3: Cross multiply
    42,654.62x = 63,981.93 × 13,072.34
  4. Step 4: Simplify right side
    42,654.62x = 836,393,542.82
  5. Step 5: Solve for x
    x = 836,393,542.82/42,654.62
  6. Step 6: Final answer
    x = 19,608.51

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Similar ratio
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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.