Home / 38,839.70-53,604.08-22,711.94

Finding the Fourth Proportional to 38,839.70, 53,604.08 and 22,711.94

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Solution

The fourth proportional to 38,839.70, 53,604.08 and 22,711.94 is: 31,345.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,839.70 : 53,604.08 = 22,711.94 : x
  2. Step 2: Convert to fraction form
    38,839.70/53,604.08 = 22,711.94/x
  3. Step 3: Cross multiply
    38,839.70x = 53,604.08 × 22,711.94
  4. Step 4: Simplify right side
    38,839.70x = 1,217,452,648.72
  5. Step 5: Solve for x
    x = 1,217,452,648.72/38,839.70
  6. Step 6: Final answer
    x = 31,345.57

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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.