Home / 40,909.60-61,321.20-23,341.60

Finding the Fourth Proportional to 40,909.60, 61,321.20 and 23,341.60

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Solution

The fourth proportional to 40,909.60, 61,321.20 and 23,341.60 is: 34,987.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,909.60 : 61,321.20 = 23,341.60 : x
  2. Step 2: Convert to fraction form
    40,909.60/61,321.20 = 23,341.60/x
  3. Step 3: Cross multiply
    40,909.60x = 61,321.20 × 23,341.60
  4. Step 4: Simplify right side
    40,909.60x = 1,431,334,921.92
  5. Step 5: Solve for x
    x = 1,431,334,921.92/40,909.60
  6. Step 6: Final answer
    x = 34,987.75

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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.