Home / 40,354.48-55,671.60-25,220.80

Finding the Fourth Proportional to 40,354.48, 55,671.60 and 25,220.80

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Solution

The fourth proportional to 40,354.48, 55,671.60 and 25,220.80 is: 34,793.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,354.48 : 55,671.60 = 25,220.80 : x
  2. Step 2: Convert to fraction form
    40,354.48/55,671.60 = 25,220.80/x
  3. Step 3: Cross multiply
    40,354.48x = 55,671.60 × 25,220.80
  4. Step 4: Simplify right side
    40,354.48x = 1,404,082,289.28
  5. Step 5: Solve for x
    x = 1,404,082,289.28/40,354.48
  6. Step 6: Final answer
    x = 34,793.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.