Home / 53,247.22-79,840.85-17,689.50

Finding the Fourth Proportional to 53,247.22, 79,840.85 and 17,689.50

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Solution

The fourth proportional to 53,247.22, 79,840.85 and 17,689.50 is: 26,524.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,247.22 : 79,840.85 = 17,689.50 : x
  2. Step 2: Convert to fraction form
    53,247.22/79,840.85 = 17,689.50/x
  3. Step 3: Cross multiply
    53,247.22x = 79,840.85 × 17,689.50
  4. Step 4: Simplify right side
    53,247.22x = 1,412,344,716.08
  5. Step 5: Solve for x
    x = 1,412,344,716.08/53,247.22
  6. Step 6: Final answer
    x = 26,524.29

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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.