Home / 38,920.80-53,708.48-23,006.72

Finding the Fourth Proportional to 38,920.80, 53,708.48 and 23,006.72

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Solution

The fourth proportional to 38,920.80, 53,708.48 and 23,006.72 is: 31,747.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,920.80 : 53,708.48 = 23,006.72 : x
  2. Step 2: Convert to fraction form
    38,920.80/53,708.48 = 23,006.72/x
  3. Step 3: Cross multiply
    38,920.80x = 53,708.48 × 23,006.72
  4. Step 4: Simplify right side
    38,920.80x = 1,235,655,960.99
  5. Step 5: Solve for x
    x = 1,235,655,960.99/38,920.80
  6. Step 6: Final answer
    x = 31,747.96

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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.