Home / 40,119.08-55,349.46-25,979.72

Finding the Fourth Proportional to 40,119.08, 55,349.46 and 25,979.72

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Solution

The fourth proportional to 40,119.08, 55,349.46 and 25,979.72 is: 35,842.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,119.08 : 55,349.46 = 25,979.72 : x
  2. Step 2: Convert to fraction form
    40,119.08/55,349.46 = 25,979.72/x
  3. Step 3: Cross multiply
    40,119.08x = 55,349.46 × 25,979.72
  4. Step 4: Simplify right side
    40,119.08x = 1,437,963,472.95
  5. Step 5: Solve for x
    x = 1,437,963,472.95/40,119.08
  6. Step 6: Final answer
    x = 35,842.38

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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.