Home / 40,314.20-60,428.10-15,344.60

Finding the Fourth Proportional to 40,314.20, 60,428.10 and 15,344.60

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Solution

The fourth proportional to 40,314.20, 60,428.10 and 15,344.60 is: 23,000.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,314.20 : 60,428.10 = 15,344.60 : x
  2. Step 2: Convert to fraction form
    40,314.20/60,428.10 = 15,344.60/x
  3. Step 3: Cross multiply
    40,314.20x = 60,428.10 × 15,344.60
  4. Step 4: Simplify right side
    40,314.20x = 927,245,023.26
  5. Step 5: Solve for x
    x = 927,245,023.26/40,314.20
  6. Step 6: Final answer
    x = 23,000.46

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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.