Home / 40,422.06-60,635.34-12,346.38

Finding the Fourth Proportional to 40,422.06, 60,635.34 and 12,346.38

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Solution

The fourth proportional to 40,422.06, 60,635.34 and 12,346.38 is: 18,520.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,422.06 : 60,635.34 = 12,346.38 : x
  2. Step 2: Convert to fraction form
    40,422.06/60,635.34 = 12,346.38/x
  3. Step 3: Cross multiply
    40,422.06x = 60,635.34 × 12,346.38
  4. Step 4: Simplify right side
    40,422.06x = 748,626,949.07
  5. Step 5: Solve for x
    x = 748,626,949.07/40,422.06
  6. Step 6: Final answer
    x = 18,520.26

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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.