Home / 39,531.16-54,555.42-22,769.56

Finding the Fourth Proportional to 39,531.16, 54,555.42 and 22,769.56

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Solution

The fourth proportional to 39,531.16, 54,555.42 and 22,769.56 is: 31,423.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,531.16 : 54,555.42 = 22,769.56 : x
  2. Step 2: Convert to fraction form
    39,531.16/54,555.42 = 22,769.56/x
  3. Step 3: Cross multiply
    39,531.16x = 54,555.42 × 22,769.56
  4. Step 4: Simplify right side
    39,531.16x = 1,242,202,909.02
  5. Step 5: Solve for x
    x = 1,242,202,909.02/39,531.16
  6. Step 6: Final answer
    x = 31,423.39

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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.