Home / 54,391.71-75,060.23-30,518.31

Finding the Fourth Proportional to 54,391.71, 75,060.23 and 30,518.31

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Solution

The fourth proportional to 54,391.71, 75,060.23 and 30,518.31 is: 42,115.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,391.71 : 75,060.23 = 30,518.31 : x
  2. Step 2: Convert to fraction form
    54,391.71/75,060.23 = 30,518.31/x
  3. Step 3: Cross multiply
    54,391.71x = 75,060.23 × 30,518.31
  4. Step 4: Simplify right side
    54,391.71x = 2,290,711,367.81
  5. Step 5: Solve for x
    x = 2,290,711,367.81/54,391.71
  6. Step 6: Final answer
    x = 42,115.08

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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.