Home / 52,902.48-79,386.12-21,306.72

Finding the Fourth Proportional to 52,902.48, 79,386.12 and 21,306.72

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Solution

The fourth proportional to 52,902.48, 79,386.12 and 21,306.72 is: 31,973.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,902.48 : 79,386.12 = 21,306.72 : x
  2. Step 2: Convert to fraction form
    52,902.48/79,386.12 = 21,306.72/x
  3. Step 3: Cross multiply
    52,902.48x = 79,386.12 × 21,306.72
  4. Step 4: Simplify right side
    52,902.48x = 1,691,457,830.73
  5. Step 5: Solve for x
    x = 1,691,457,830.73/52,902.48
  6. Step 6: Final answer
    x = 31,973.13

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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.