Home / 29,068.20-43,602.30-8,291.70

Finding the Fourth Proportional to 29,068.20, 43,602.30 and 8,291.70

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Solution

The fourth proportional to 29,068.20, 43,602.30 and 8,291.70 is: 12,437.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,068.20 : 43,602.30 = 8,291.70 : x
  2. Step 2: Convert to fraction form
    29,068.20/43,602.30 = 8,291.70/x
  3. Step 3: Cross multiply
    29,068.20x = 43,602.30 × 8,291.70
  4. Step 4: Simplify right side
    29,068.20x = 361,537,190.91
  5. Step 5: Solve for x
    x = 361,537,190.91/29,068.20
  6. Step 6: Final answer
    x = 12,437.55

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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.