Home / 55,400.92-76,516.91-40,360.84

Finding the Fourth Proportional to 55,400.92, 76,516.91 and 40,360.84

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Solution

The fourth proportional to 55,400.92, 76,516.91 and 40,360.84 is: 55,744.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,400.92 : 76,516.91 = 40,360.84 : x
  2. Step 2: Convert to fraction form
    55,400.92/76,516.91 = 40,360.84/x
  3. Step 3: Cross multiply
    55,400.92x = 76,516.91 × 40,360.84
  4. Step 4: Simplify right side
    55,400.92x = 3,088,286,761.80
  5. Step 5: Solve for x
    x = 3,088,286,761.80/55,400.92
  6. Step 6: Final answer
    x = 55,744.32

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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.