Home / 52,853.38-72,937.10-28,979.98

Finding the Fourth Proportional to 52,853.38, 72,937.10 and 28,979.98

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Solution

The fourth proportional to 52,853.38, 72,937.10 and 28,979.98 is: 39,992.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,853.38 : 72,937.10 = 28,979.98 : x
  2. Step 2: Convert to fraction form
    52,853.38/72,937.10 = 28,979.98/x
  3. Step 3: Cross multiply
    52,853.38x = 72,937.10 × 28,979.98
  4. Step 4: Simplify right side
    52,853.38x = 2,113,715,699.26
  5. Step 5: Solve for x
    x = 2,113,715,699.26/52,853.38
  6. Step 6: Final answer
    x = 39,992.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.