Home / 45,124.11-62,288.72-40,400.19

Finding the Fourth Proportional to 45,124.11, 62,288.72 and 40,400.19

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Solution

The fourth proportional to 45,124.11, 62,288.72 and 40,400.19 is: 55,767.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,124.11 : 62,288.72 = 40,400.19 : x
  2. Step 2: Convert to fraction form
    45,124.11/62,288.72 = 40,400.19/x
  3. Step 3: Cross multiply
    45,124.11x = 62,288.72 × 40,400.19
  4. Step 4: Simplify right side
    45,124.11x = 2,516,475,920.86
  5. Step 5: Solve for x
    x = 2,516,475,920.86/45,124.11
  6. Step 6: Final answer
    x = 55,767.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.