Home / 51,757.48-71,397.30-42,751.72

Finding the Fourth Proportional to 51,757.48, 71,397.30 and 42,751.72

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Solution

The fourth proportional to 51,757.48, 71,397.30 and 42,751.72 is: 58,974.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,757.48 : 71,397.30 = 42,751.72 : x
  2. Step 2: Convert to fraction form
    51,757.48/71,397.30 = 42,751.72/x
  3. Step 3: Cross multiply
    51,757.48x = 71,397.30 × 42,751.72
  4. Step 4: Simplify right side
    51,757.48x = 3,052,357,378.36
  5. Step 5: Solve for x
    x = 3,052,357,378.36/51,757.48
  6. Step 6: Final answer
    x = 58,974.23

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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.