Home / 53,053.19-79,579.76-17,993.15

Finding the Fourth Proportional to 53,053.19, 79,579.76 and 17,993.15

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Solution

The fourth proportional to 53,053.19, 79,579.76 and 17,993.15 is: 26,989.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,053.19 : 79,579.76 = 17,993.15 : x
  2. Step 2: Convert to fraction form
    53,053.19/79,579.76 = 17,993.15/x
  3. Step 3: Cross multiply
    53,053.19x = 79,579.76 × 17,993.15
  4. Step 4: Simplify right side
    53,053.19x = 1,431,890,070.78
  5. Step 5: Solve for x
    x = 1,431,890,070.78/53,053.19
  6. Step 6: Final answer
    x = 26,989.71

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Similar ratio
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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.