Home / 57,301.31-79,071.84-31,805.66

Finding the Fourth Proportional to 57,301.31, 79,071.84 and 31,805.66

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Solution

The fourth proportional to 57,301.31, 79,071.84 and 31,805.66 is: 43,889.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,301.31 : 79,071.84 = 31,805.66 : x
  2. Step 2: Convert to fraction form
    57,301.31/79,071.84 = 31,805.66/x
  3. Step 3: Cross multiply
    57,301.31x = 79,071.84 × 31,805.66
  4. Step 4: Simplify right side
    57,301.31x = 2,514,931,663.26
  5. Step 5: Solve for x
    x = 2,514,931,663.26/57,301.31
  6. Step 6: Final answer
    x = 43,889.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.