Home / 47,385.52-65,338.71-38,744.75

Finding the Fourth Proportional to 47,385.52, 65,338.71 and 38,744.75

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Solution

The fourth proportional to 47,385.52, 65,338.71 and 38,744.75 is: 53,424.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,385.52 : 65,338.71 = 38,744.75 : x
  2. Step 2: Convert to fraction form
    47,385.52/65,338.71 = 38,744.75/x
  3. Step 3: Cross multiply
    47,385.52x = 65,338.71 × 38,744.75
  4. Step 4: Simplify right side
    47,385.52x = 2,531,531,780.09
  5. Step 5: Solve for x
    x = 2,531,531,780.09/47,385.52
  6. Step 6: Final answer
    x = 53,424.16

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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.