Home / 42,654.42-63,979.35-13,072.35

Finding the Fourth Proportional to 42,654.42, 63,979.35 and 13,072.35

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Solution

The fourth proportional to 42,654.42, 63,979.35 and 13,072.35 is: 19,607.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,654.42 : 63,979.35 = 13,072.35 : x
  2. Step 2: Convert to fraction form
    42,654.42/63,979.35 = 13,072.35/x
  3. Step 3: Cross multiply
    42,654.42x = 63,979.35 × 13,072.35
  4. Step 4: Simplify right side
    42,654.42x = 836,360,455.97
  5. Step 5: Solve for x
    x = 836,360,455.97/42,654.42
  6. Step 6: Final answer
    x = 19,607.83

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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.