Home / 61,548.08-84,879.97-40,339.04

Finding the Fourth Proportional to 61,548.08, 84,879.97 and 40,339.04

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Solution

The fourth proportional to 61,548.08, 84,879.97 and 40,339.04 is: 55,630.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,548.08 : 84,879.97 = 40,339.04 : x
  2. Step 2: Convert to fraction form
    61,548.08/84,879.97 = 40,339.04/x
  3. Step 3: Cross multiply
    61,548.08x = 84,879.97 × 40,339.04
  4. Step 4: Simplify right side
    61,548.08x = 3,423,975,979.78
  5. Step 5: Solve for x
    x = 3,423,975,979.78/61,548.08
  6. Step 6: Final answer
    x = 55,630.92

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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.