Home / 54,990.28-75,886.64-29,839.78

Finding the Fourth Proportional to 54,990.28, 75,886.64 and 29,839.78

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Solution

The fourth proportional to 54,990.28, 75,886.64 and 29,839.78 is: 41,178.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,990.28 : 75,886.64 = 29,839.78 : x
  2. Step 2: Convert to fraction form
    54,990.28/75,886.64 = 29,839.78/x
  3. Step 3: Cross multiply
    54,990.28x = 75,886.64 × 29,839.78
  4. Step 4: Simplify right side
    54,990.28x = 2,264,440,642.54
  5. Step 5: Solve for x
    x = 2,264,440,642.54/54,990.28
  6. Step 6: Final answer
    x = 41,178.93

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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.