Home / 40,169.60-60,254.40-26,172.80

Finding the Fourth Proportional to 40,169.60, 60,254.40 and 26,172.80

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Solution

The fourth proportional to 40,169.60, 60,254.40 and 26,172.80 is: 39,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,169.60 : 60,254.40 = 26,172.80 : x
  2. Step 2: Convert to fraction form
    40,169.60/60,254.40 = 26,172.80/x
  3. Step 3: Cross multiply
    40,169.60x = 60,254.40 × 26,172.80
  4. Step 4: Simplify right side
    40,169.60x = 1,577,026,360.32
  5. Step 5: Solve for x
    x = 1,577,026,360.32/40,169.60
  6. Step 6: Final answer
    x = 39,259.20

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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.