Home / 51,745.76-71,391.96-31,595.36

Finding the Fourth Proportional to 51,745.76, 71,391.96 and 31,595.36

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Solution

The fourth proportional to 51,745.76, 71,391.96 and 31,595.36 is: 43,591.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,745.76 : 71,391.96 = 31,595.36 : x
  2. Step 2: Convert to fraction form
    51,745.76/71,391.96 = 31,595.36/x
  3. Step 3: Cross multiply
    51,745.76x = 71,391.96 × 31,595.36
  4. Step 4: Simplify right side
    51,745.76x = 2,255,654,677.31
  5. Step 5: Solve for x
    x = 2,255,654,677.31/51,745.76
  6. Step 6: Final answer
    x = 43,591.10

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1.5x scale

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.