Home / 54,354.61-74,983.81-38,447.83

Finding the Fourth Proportional to 54,354.61, 74,983.81 and 38,447.83

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Solution

The fourth proportional to 54,354.61, 74,983.81 and 38,447.83 is: 53,039.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,354.61 : 74,983.81 = 38,447.83 : x
  2. Step 2: Convert to fraction form
    54,354.61/74,983.81 = 38,447.83/x
  3. Step 3: Cross multiply
    54,354.61x = 74,983.81 × 38,447.83
  4. Step 4: Simplify right side
    54,354.61x = 2,882,964,212.47
  5. Step 5: Solve for x
    x = 2,882,964,212.47/54,354.61
  6. Step 6: Final answer
    x = 53,039.93

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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.