Home / 52,869.49-79,279.12-30,689.66

Finding the Fourth Proportional to 52,869.49, 79,279.12 and 30,689.66

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Solution

The fourth proportional to 52,869.49, 79,279.12 and 30,689.66 is: 46,019.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,869.49 : 79,279.12 = 30,689.66 : x
  2. Step 2: Convert to fraction form
    52,869.49/79,279.12 = 30,689.66/x
  3. Step 3: Cross multiply
    52,869.49x = 79,279.12 × 30,689.66
  4. Step 4: Simplify right side
    52,869.49x = 2,433,049,084.45
  5. Step 5: Solve for x
    x = 2,433,049,084.45/52,869.49
  6. Step 6: Final answer
    x = 46,019.91

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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.