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Finding the Fourth Proportional to 29,269.20, 43,918.20 and 22,246.80

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Solution

The fourth proportional to 29,269.20, 43,918.20 and 22,246.80 is: 33,381.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,269.20 : 43,918.20 = 22,246.80 : x
  2. Step 2: Convert to fraction form
    29,269.20/43,918.20 = 22,246.80/x
  3. Step 3: Cross multiply
    29,269.20x = 43,918.20 × 22,246.80
  4. Step 4: Simplify right side
    29,269.20x = 977,039,411.76
  5. Step 5: Solve for x
    x = 977,039,411.76/29,269.20
  6. Step 6: Final answer
    x = 33,381.15

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1.5x scale

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.