Home / 39,749.50-54,854.13-22,753.65

Finding the Fourth Proportional to 39,749.50, 54,854.13 and 22,753.65

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Solution

The fourth proportional to 39,749.50, 54,854.13 and 22,753.65 is: 31,399.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,749.50 : 54,854.13 = 22,753.65 : x
  2. Step 2: Convert to fraction form
    39,749.50/54,854.13 = 22,753.65/x
  3. Step 3: Cross multiply
    39,749.50x = 54,854.13 × 22,753.65
  4. Step 4: Simplify right side
    39,749.50x = 1,248,131,675.07
  5. Step 5: Solve for x
    x = 1,248,131,675.07/39,749.50
  6. Step 6: Final answer
    x = 31,399.93

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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.