Home / 38,899.76-53,681.89-22,132.76

Finding the Fourth Proportional to 38,899.76, 53,681.89 and 22,132.76

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Solution

The fourth proportional to 38,899.76, 53,681.89 and 22,132.76 is: 30,543.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,899.76 : 53,681.89 = 22,132.76 : x
  2. Step 2: Convert to fraction form
    38,899.76/53,681.89 = 22,132.76/x
  3. Step 3: Cross multiply
    38,899.76x = 53,681.89 × 22,132.76
  4. Step 4: Simplify right side
    38,899.76x = 1,188,128,387.72
  5. Step 5: Solve for x
    x = 1,188,128,387.72/38,899.76
  6. Step 6: Final answer
    x = 30,543.33

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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.