Home / 60,329.40-90,502.20-20,898.60

Finding the Fourth Proportional to 60,329.40, 90,502.20 and 20,898.60

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Solution

The fourth proportional to 60,329.40, 90,502.20 and 20,898.60 is: 31,350.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,329.40 : 90,502.20 = 20,898.60 : x
  2. Step 2: Convert to fraction form
    60,329.40/90,502.20 = 20,898.60/x
  3. Step 3: Cross multiply
    60,329.40x = 90,502.20 × 20,898.60
  4. Step 4: Simplify right side
    60,329.40x = 1,891,369,276.92
  5. Step 5: Solve for x
    x = 1,891,369,276.92/60,329.40
  6. Step 6: Final answer
    x = 31,350.71

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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.