Home / 67,747.36-101,626.30-20,358.76

Finding the Fourth Proportional to 67,747.36, 101,626.30 and 20,358.76

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Solution

The fourth proportional to 67,747.36, 101,626.30 and 20,358.76 is: 30,539.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,747.36 : 101,626.30 = 20,358.76 : x
  2. Step 2: Convert to fraction form
    67,747.36/101,626.30 = 20,358.76/x
  3. Step 3: Cross multiply
    67,747.36x = 101,626.30 × 20,358.76
  4. Step 4: Simplify right side
    67,747.36x = 2,068,984,943.26
  5. Step 5: Solve for x
    x = 2,068,984,943.26/67,747.36
  6. Step 6: Final answer
    x = 30,539.71

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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.