Home / 29,040.60-43,577.10-12,397.80

Finding the Fourth Proportional to 29,040.60, 43,577.10 and 12,397.80

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Solution

The fourth proportional to 29,040.60, 43,577.10 and 12,397.80 is: 18,603.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,040.60 : 43,577.10 = 12,397.80 : x
  2. Step 2: Convert to fraction form
    29,040.60/43,577.10 = 12,397.80/x
  3. Step 3: Cross multiply
    29,040.60x = 43,577.10 × 12,397.80
  4. Step 4: Simplify right side
    29,040.60x = 540,260,170.38
  5. Step 5: Solve for x
    x = 540,260,170.38/29,040.60
  6. Step 6: Final answer
    x = 18,603.62

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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.