Home / 29,132.79-40,200.20-17,805.05

Finding the Fourth Proportional to 29,132.79, 40,200.20 and 17,805.05

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Solution

The fourth proportional to 29,132.79, 40,200.20 and 17,805.05 is: 24,569.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,132.79 : 40,200.20 = 17,805.05 : x
  2. Step 2: Convert to fraction form
    29,132.79/40,200.20 = 17,805.05/x
  3. Step 3: Cross multiply
    29,132.79x = 40,200.20 × 17,805.05
  4. Step 4: Simplify right side
    29,132.79x = 715,766,280.98
  5. Step 5: Solve for x
    x = 715,766,280.98/29,132.79
  6. Step 6: Final answer
    x = 24,569.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.