Home / 40,820.40-61,230.60-17,449.20

Finding the Fourth Proportional to 40,820.40, 61,230.60 and 17,449.20

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Solution

The fourth proportional to 40,820.40, 61,230.60 and 17,449.20 is: 26,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,820.40 : 61,230.60 = 17,449.20 : x
  2. Step 2: Convert to fraction form
    40,820.40/61,230.60 = 17,449.20/x
  3. Step 3: Cross multiply
    40,820.40x = 61,230.60 × 17,449.20
  4. Step 4: Simplify right side
    40,820.40x = 1,068,424,985.52
  5. Step 5: Solve for x
    x = 1,068,424,985.52/40,820.40
  6. Step 6: Final answer
    x = 26,173.80

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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.