Home / 29,318.72-40,444.96-18,545.46

Finding the Fourth Proportional to 29,318.72, 40,444.96 and 18,545.46

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Solution

The fourth proportional to 29,318.72, 40,444.96 and 18,545.46 is: 25,583.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,318.72 : 40,444.96 = 18,545.46 : x
  2. Step 2: Convert to fraction form
    29,318.72/40,444.96 = 18,545.46/x
  3. Step 3: Cross multiply
    29,318.72x = 40,444.96 × 18,545.46
  4. Step 4: Simplify right side
    29,318.72x = 750,070,387.88
  5. Step 5: Solve for x
    x = 750,070,387.88/29,318.72
  6. Step 6: Final answer
    x = 25,583.33

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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.