Home / 60,472.20-90,635.40-30,874.80

Finding the Fourth Proportional to 60,472.20, 90,635.40 and 30,874.80

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Solution

The fourth proportional to 60,472.20, 90,635.40 and 30,874.80 is: 46,274.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,472.20 : 90,635.40 = 30,874.80 : x
  2. Step 2: Convert to fraction form
    60,472.20/90,635.40 = 30,874.80/x
  3. Step 3: Cross multiply
    60,472.20x = 90,635.40 × 30,874.80
  4. Step 4: Simplify right side
    60,472.20x = 2,798,349,847.92
  5. Step 5: Solve for x
    x = 2,798,349,847.92/60,472.20
  6. Step 6: Final answer
    x = 46,274.98

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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.