Home / 39,220.78-58,842.16-15,863.62

Finding the Fourth Proportional to 39,220.78, 58,842.16 and 15,863.62

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Solution

The fourth proportional to 39,220.78, 58,842.16 and 15,863.62 is: 23,799.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,220.78 : 58,842.16 = 15,863.62 : x
  2. Step 2: Convert to fraction form
    39,220.78/58,842.16 = 15,863.62/x
  3. Step 3: Cross multiply
    39,220.78x = 58,842.16 × 15,863.62
  4. Step 4: Simplify right side
    39,220.78x = 933,449,666.22
  5. Step 5: Solve for x
    x = 933,449,666.22/39,220.78
  6. Step 6: Final answer
    x = 23,799.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.