Home / 38,158.68-52,678.76-29,641.72

Finding the Fourth Proportional to 38,158.68, 52,678.76 and 29,641.72

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Solution

The fourth proportional to 38,158.68, 52,678.76 and 29,641.72 is: 40,920.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,158.68 : 52,678.76 = 29,641.72 : x
  2. Step 2: Convert to fraction form
    38,158.68/52,678.76 = 29,641.72/x
  3. Step 3: Cross multiply
    38,158.68x = 52,678.76 × 29,641.72
  4. Step 4: Simplify right side
    38,158.68x = 1,561,489,053.87
  5. Step 5: Solve for x
    x = 1,561,489,053.87/38,158.68
  6. Step 6: Final answer
    x = 40,920.94

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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.