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Finding the Fourth Proportional to 47,154.48, 65,074.55 and 25,935.11

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Solution

The fourth proportional to 47,154.48, 65,074.55 and 25,935.11 is: 35,791.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,154.48 : 65,074.55 = 25,935.11 : x
  2. Step 2: Convert to fraction form
    47,154.48/65,074.55 = 25,935.11/x
  3. Step 3: Cross multiply
    47,154.48x = 65,074.55 × 25,935.11
  4. Step 4: Simplify right side
    47,154.48x = 1,687,715,645.46
  5. Step 5: Solve for x
    x = 1,687,715,645.46/47,154.48
  6. Step 6: Final answer
    x = 35,791.20

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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.