Home / 60,122.16-90,182.34-20,679.62

Finding the Fourth Proportional to 60,122.16, 90,182.34 and 20,679.62

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Solution

The fourth proportional to 60,122.16, 90,182.34 and 20,679.62 is: 31,019.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,122.16 : 90,182.34 = 20,679.62 : x
  2. Step 2: Convert to fraction form
    60,122.16/90,182.34 = 20,679.62/x
  3. Step 3: Cross multiply
    60,122.16x = 90,182.34 × 20,679.62
  4. Step 4: Simplify right side
    60,122.16x = 1,864,936,521.91
  5. Step 5: Solve for x
    x = 1,864,936,521.91/60,122.16
  6. Step 6: Final answer
    x = 31,019.12

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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.