Home / 45,155.82-67,738.20-15,569.76

Finding the Fourth Proportional to 45,155.82, 67,738.20 and 15,569.76

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Solution

The fourth proportional to 45,155.82, 67,738.20 and 15,569.76 is: 23,356.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,155.82 : 67,738.20 = 15,569.76 : x
  2. Step 2: Convert to fraction form
    45,155.82/67,738.20 = 15,569.76/x
  3. Step 3: Cross multiply
    45,155.82x = 67,738.20 × 15,569.76
  4. Step 4: Simplify right side
    45,155.82x = 1,054,667,516.83
  5. Step 5: Solve for x
    x = 1,054,667,516.83/45,155.82
  6. Step 6: Final answer
    x = 23,356.18

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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.