Home / 65,473.20-90,353.13-37,178.88

Finding the Fourth Proportional to 65,473.20, 90,353.13 and 37,178.88

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Solution

The fourth proportional to 65,473.20, 90,353.13 and 37,178.88 is: 51,306.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,473.20 : 90,353.13 = 37,178.88 : x
  2. Step 2: Convert to fraction form
    65,473.20/90,353.13 = 37,178.88/x
  3. Step 3: Cross multiply
    65,473.20x = 90,353.13 × 37,178.88
  4. Step 4: Simplify right side
    65,473.20x = 3,359,228,177.89
  5. Step 5: Solve for x
    x = 3,359,228,177.89/65,473.20
  6. Step 6: Final answer
    x = 51,306.92

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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.