Home / 60,284.28-90,433.14-20,836.92

Finding the Fourth Proportional to 60,284.28, 90,433.14 and 20,836.92

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Solution

The fourth proportional to 60,284.28, 90,433.14 and 20,836.92 is: 31,257.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,284.28 : 90,433.14 = 20,836.92 : x
  2. Step 2: Convert to fraction form
    60,284.28/90,433.14 = 20,836.92/x
  3. Step 3: Cross multiply
    60,284.28x = 90,433.14 × 20,836.92
  4. Step 4: Simplify right side
    60,284.28x = 1,884,348,103.53
  5. Step 5: Solve for x
    x = 1,884,348,103.53/60,284.28
  6. Step 6: Final answer
    x = 31,257.70

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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.