Home / 40,224.40-60,336.60-25,385.20

Finding the Fourth Proportional to 40,224.40, 60,336.60 and 25,385.20

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Solution

The fourth proportional to 40,224.40, 60,336.60 and 25,385.20 is: 38,077.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,224.40 : 60,336.60 = 25,385.20 : x
  2. Step 2: Convert to fraction form
    40,224.40/60,336.60 = 25,385.20/x
  3. Step 3: Cross multiply
    40,224.40x = 60,336.60 × 25,385.20
  4. Step 4: Simplify right side
    40,224.40x = 1,531,656,658.32
  5. Step 5: Solve for x
    x = 1,531,656,658.32/40,224.40
  6. Step 6: Final answer
    x = 38,077.80

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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.