Home / 52,670.12-79,013.05-19,387.66

Finding the Fourth Proportional to 52,670.12, 79,013.05 and 19,387.66

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Solution

The fourth proportional to 52,670.12, 79,013.05 and 19,387.66 is: 29,084.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,670.12 : 79,013.05 = 19,387.66 : x
  2. Step 2: Convert to fraction form
    52,670.12/79,013.05 = 19,387.66/x
  3. Step 3: Cross multiply
    52,670.12x = 79,013.05 × 19,387.66
  4. Step 4: Simplify right side
    52,670.12x = 1,531,877,753.90
  5. Step 5: Solve for x
    x = 1,531,877,753.90/52,670.12
  6. Step 6: Final answer
    x = 29,084.38

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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.