Home / 40,201.60-60,302.40-25,427.20

Finding the Fourth Proportional to 40,201.60, 60,302.40 and 25,427.20

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Solution

The fourth proportional to 40,201.60, 60,302.40 and 25,427.20 is: 38,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,201.60 : 60,302.40 = 25,427.20 : x
  2. Step 2: Convert to fraction form
    40,201.60/60,302.40 = 25,427.20/x
  3. Step 3: Cross multiply
    40,201.60x = 60,302.40 × 25,427.20
  4. Step 4: Simplify right side
    40,201.60x = 1,533,321,185.28
  5. Step 5: Solve for x
    x = 1,533,321,185.28/40,201.60
  6. Step 6: Final answer
    x = 38,140.80

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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.