Home / 40,417.20-55,771.92-22,510.08

Finding the Fourth Proportional to 40,417.20, 55,771.92 and 22,510.08

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Solution

The fourth proportional to 40,417.20, 55,771.92 and 22,510.08 is: 31,061.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,417.20 : 55,771.92 = 22,510.08 : x
  2. Step 2: Convert to fraction form
    40,417.20/55,771.92 = 22,510.08/x
  3. Step 3: Cross multiply
    40,417.20x = 55,771.92 × 22,510.08
  4. Step 4: Simplify right side
    40,417.20x = 1,255,430,380.95
  5. Step 5: Solve for x
    x = 1,255,430,380.95/40,417.20
  6. Step 6: Final answer
    x = 31,061.79

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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.