Home / 56,717.78-85,047.96-31,751.12

Finding the Fourth Proportional to 56,717.78, 85,047.96 and 31,751.12

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Solution

The fourth proportional to 56,717.78, 85,047.96 and 31,751.12 is: 47,610.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,717.78 : 85,047.96 = 31,751.12 : x
  2. Step 2: Convert to fraction form
    56,717.78/85,047.96 = 31,751.12/x
  3. Step 3: Cross multiply
    56,717.78x = 85,047.96 × 31,751.12
  4. Step 4: Simplify right side
    56,717.78x = 2,700,367,658.41
  5. Step 5: Solve for x
    x = 2,700,367,658.41/56,717.78
  6. Step 6: Final answer
    x = 47,610.61

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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.