Home / 40,125.40-60,197.70-19,331.80

Finding the Fourth Proportional to 40,125.40, 60,197.70 and 19,331.80

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Solution

The fourth proportional to 40,125.40, 60,197.70 and 19,331.80 is: 29,002.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,125.40 : 60,197.70 = 19,331.80 : x
  2. Step 2: Convert to fraction form
    40,125.40/60,197.70 = 19,331.80/x
  3. Step 3: Cross multiply
    40,125.40x = 60,197.70 × 19,331.80
  4. Step 4: Simplify right side
    40,125.40x = 1,163,729,896.86
  5. Step 5: Solve for x
    x = 1,163,729,896.86/40,125.40
  6. Step 6: Final answer
    x = 29,002.33

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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.