Home / 53,239.28-79,841.63-17,691.05

Finding the Fourth Proportional to 53,239.28, 79,841.63 and 17,691.05

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Solution

The fourth proportional to 53,239.28, 79,841.63 and 17,691.05 is: 26,530.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,239.28 : 79,841.63 = 17,691.05 : x
  2. Step 2: Convert to fraction form
    53,239.28/79,841.63 = 17,691.05/x
  3. Step 3: Cross multiply
    53,239.28x = 79,841.63 × 17,691.05
  4. Step 4: Simplify right side
    53,239.28x = 1,412,481,780.75
  5. Step 5: Solve for x
    x = 1,412,481,780.75/53,239.28
  6. Step 6: Final answer
    x = 26,530.82

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1.5x scale

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.