Home / 53,247.09-79,840.66-17,689.38

Finding the Fourth Proportional to 53,247.09, 79,840.66 and 17,689.38

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Solution

The fourth proportional to 53,247.09, 79,840.66 and 17,689.38 is: 26,524.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,247.09 : 79,840.66 = 17,689.38 : x
  2. Step 2: Convert to fraction form
    53,247.09/79,840.66 = 17,689.38/x
  3. Step 3: Cross multiply
    53,247.09x = 79,840.66 × 17,689.38
  4. Step 4: Simplify right side
    53,247.09x = 1,412,331,774.19
  5. Step 5: Solve for x
    x = 1,412,331,774.19/53,247.09
  6. Step 6: Final answer
    x = 26,524.11

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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.