Home / 55,441.20-83,149.56-15,989.76

Finding the Fourth Proportional to 55,441.20, 83,149.56 and 15,989.76

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Solution

The fourth proportional to 55,441.20, 83,149.56 and 15,989.76 is: 23,981.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,441.20 : 83,149.56 = 15,989.76 : x
  2. Step 2: Convert to fraction form
    55,441.20/83,149.56 = 15,989.76/x
  3. Step 3: Cross multiply
    55,441.20x = 83,149.56 × 15,989.76
  4. Step 4: Simplify right side
    55,441.20x = 1,329,541,508.51
  5. Step 5: Solve for x
    x = 1,329,541,508.51/55,441.20
  6. Step 6: Final answer
    x = 23,981.11

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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.