Home / 54,837.28-75,675.81-29,686.78

Finding the Fourth Proportional to 54,837.28, 75,675.81 and 29,686.78

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Solution

The fourth proportional to 54,837.28, 75,675.81 and 29,686.78 is: 40,967.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,837.28 : 75,675.81 = 29,686.78 : x
  2. Step 2: Convert to fraction form
    54,837.28/75,675.81 = 29,686.78/x
  3. Step 3: Cross multiply
    54,837.28x = 75,675.81 × 29,686.78
  4. Step 4: Simplify right side
    54,837.28x = 2,246,571,122.79
  5. Step 5: Solve for x
    x = 2,246,571,122.79/54,837.28
  6. Step 6: Final answer
    x = 40,967.95

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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.