Home / 53,514.60-80,281.10-17,979.32

Finding the Fourth Proportional to 53,514.60, 80,281.10 and 17,979.32

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Solution

The fourth proportional to 53,514.60, 80,281.10 and 17,979.32 is: 26,972.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,514.60 : 80,281.10 = 17,979.32 : x
  2. Step 2: Convert to fraction form
    53,514.60/80,281.10 = 17,979.32/x
  3. Step 3: Cross multiply
    53,514.60x = 80,281.10 × 17,979.32
  4. Step 4: Simplify right side
    53,514.60x = 1,443,399,330.36
  5. Step 5: Solve for x
    x = 1,443,399,330.36/53,514.60
  6. Step 6: Final answer
    x = 26,972.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.