Home / 56,713.80-85,021.46-28,610.37

Finding the Fourth Proportional to 56,713.80, 85,021.46 and 28,610.37

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Solution

The fourth proportional to 56,713.80, 85,021.46 and 28,610.37 is: 42,890.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,713.80 : 85,021.46 = 28,610.37 : x
  2. Step 2: Convert to fraction form
    56,713.80/85,021.46 = 28,610.37/x
  3. Step 3: Cross multiply
    56,713.80x = 85,021.46 × 28,610.37
  4. Step 4: Simplify right side
    56,713.80x = 2,432,495,428.54
  5. Step 5: Solve for x
    x = 2,432,495,428.54/56,713.80
  6. Step 6: Final answer
    x = 42,890.71

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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.