Home / 39,211.92-58,402.80-39,020.76

Finding the Fourth Proportional to 39,211.92, 58,402.80 and 39,020.76

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Solution

The fourth proportional to 39,211.92, 58,402.80 and 39,020.76 is: 58,118.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,211.92 : 58,402.80 = 39,020.76 : x
  2. Step 2: Convert to fraction form
    39,211.92/58,402.80 = 39,020.76/x
  3. Step 3: Cross multiply
    39,211.92x = 58,402.80 × 39,020.76
  4. Step 4: Simplify right side
    39,211.92x = 2,278,921,642.13
  5. Step 5: Solve for x
    x = 2,278,921,642.13/39,211.92
  6. Step 6: Final answer
    x = 58,118.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.