Home / 40,949.40-61,402.20-14,639.82

Finding the Fourth Proportional to 40,949.40, 61,402.20 and 14,639.82

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Solution

The fourth proportional to 40,949.40, 61,402.20 and 14,639.82 is: 21,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,949.40 : 61,402.20 = 14,639.82 : x
  2. Step 2: Convert to fraction form
    40,949.40/61,402.20 = 14,639.82/x
  3. Step 3: Cross multiply
    40,949.40x = 61,402.20 × 14,639.82
  4. Step 4: Simplify right side
    40,949.40x = 898,917,155.60
  5. Step 5: Solve for x
    x = 898,917,155.60/40,949.40
  6. Step 6: Final answer
    x = 21,951.90

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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.