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Finding the Fourth Proportional to 29,547.76, 44,311.42 and 8,482.09

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Solution

The fourth proportional to 29,547.76, 44,311.42 and 8,482.09 is: 12,720.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,547.76 : 44,311.42 = 8,482.09 : x
  2. Step 2: Convert to fraction form
    29,547.76/44,311.42 = 8,482.09/x
  3. Step 3: Cross multiply
    29,547.76x = 44,311.42 × 8,482.09
  4. Step 4: Simplify right side
    29,547.76x = 375,853,452.47
  5. Step 5: Solve for x
    x = 375,853,452.47/29,547.76
  6. Step 6: Final answer
    x = 12,720.20

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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.