Home / 40,376.88-55,718.46-22,471.38

Finding the Fourth Proportional to 40,376.88, 55,718.46 and 22,471.38

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Solution

The fourth proportional to 40,376.88, 55,718.46 and 22,471.38 is: 31,009.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,376.88 : 55,718.46 = 22,471.38 : x
  2. Step 2: Convert to fraction form
    40,376.88/55,718.46 = 22,471.38/x
  3. Step 3: Cross multiply
    40,376.88x = 55,718.46 × 22,471.38
  4. Step 4: Simplify right side
    40,376.88x = 1,252,070,687.67
  5. Step 5: Solve for x
    x = 1,252,070,687.67/40,376.88
  6. Step 6: Final answer
    x = 31,009.59

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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.