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Finding the Fourth Proportional to 58,017, 87,033.80 and 22,006.70

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Solution

The fourth proportional to 58,017, 87,033.80 and 22,006.70 is: 33,013.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,017 : 87,033.80 = 22,006.70 : x
  2. Step 2: Convert to fraction form
    58,017/87,033.80 = 22,006.70/x
  3. Step 3: Cross multiply
    58,017x = 87,033.80 × 22,006.70
  4. Step 4: Simplify right side
    58,017x = 1,915,326,346.31
  5. Step 5: Solve for x
    x = 1,915,326,346.31/58,017
  6. Step 6: Final answer
    x = 33,013.19

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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.