Home / 54,842.64-75,678.15-31,559.83

Finding the Fourth Proportional to 54,842.64, 75,678.15 and 31,559.83

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Solution

The fourth proportional to 54,842.64, 75,678.15 and 31,559.83 is: 43,549.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,842.64 : 75,678.15 = 31,559.83 : x
  2. Step 2: Convert to fraction form
    54,842.64/75,678.15 = 31,559.83/x
  3. Step 3: Cross multiply
    54,842.64x = 75,678.15 × 31,559.83
  4. Step 4: Simplify right side
    54,842.64x = 2,388,389,548.71
  5. Step 5: Solve for x
    x = 2,388,389,548.71/54,842.64
  6. Step 6: Final answer
    x = 43,549.86

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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.