Home / 51,663.11-77,344.08-38,394.90

Finding the Fourth Proportional to 51,663.11, 77,344.08 and 38,394.90

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Solution

The fourth proportional to 51,663.11, 77,344.08 and 38,394.90 is: 57,480.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,663.11 : 77,344.08 = 38,394.90 : x
  2. Step 2: Convert to fraction form
    51,663.11/77,344.08 = 38,394.90/x
  3. Step 3: Cross multiply
    51,663.11x = 77,344.08 × 38,394.90
  4. Step 4: Simplify right side
    51,663.11x = 2,969,618,217.19
  5. Step 5: Solve for x
    x = 2,969,618,217.19/51,663.11
  6. Step 6: Final answer
    x = 57,480.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.