Home / 41,138.84-56,771.64-22,275.92

Finding the Fourth Proportional to 41,138.84, 56,771.64 and 22,275.92

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Solution

The fourth proportional to 41,138.84, 56,771.64 and 22,275.92 is: 30,740.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,138.84 : 56,771.64 = 22,275.92 : x
  2. Step 2: Convert to fraction form
    41,138.84/56,771.64 = 22,275.92/x
  3. Step 3: Cross multiply
    41,138.84x = 56,771.64 × 22,275.92
  4. Step 4: Simplify right side
    41,138.84x = 1,264,640,510.91
  5. Step 5: Solve for x
    x = 1,264,640,510.91/41,138.84
  6. Step 6: Final answer
    x = 30,740.79

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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.