Home / 24,399.87-36,541.19-20,869.70

Finding the Fourth Proportional to 24,399.87, 36,541.19 and 20,869.70

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Solution

The fourth proportional to 24,399.87, 36,541.19 and 20,869.70 is: 31,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,399.87 : 36,541.19 = 20,869.70 : x
  2. Step 2: Convert to fraction form
    24,399.87/36,541.19 = 20,869.70/x
  3. Step 3: Cross multiply
    24,399.87x = 36,541.19 × 20,869.70
  4. Step 4: Simplify right side
    24,399.87x = 762,603,385.89
  5. Step 5: Solve for x
    x = 762,603,385.89/24,399.87
  6. Step 6: Final answer
    x = 31,254.40

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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.