Home / 31,575.30-43,582.50-18,147.93

Finding the Fourth Proportional to 31,575.30, 43,582.50 and 18,147.93

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Solution

The fourth proportional to 31,575.30, 43,582.50 and 18,147.93 is: 25,049.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,575.30 : 43,582.50 = 18,147.93 : x
  2. Step 2: Convert to fraction form
    31,575.30/43,582.50 = 18,147.93/x
  3. Step 3: Cross multiply
    31,575.30x = 43,582.50 × 18,147.93
  4. Step 4: Simplify right side
    31,575.30x = 790,932,159.23
  5. Step 5: Solve for x
    x = 790,932,159.23/31,575.30
  6. Step 6: Final answer
    x = 25,049.08

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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.