Home / 39,842.13-54,981.54-23,720.70

Finding the Fourth Proportional to 39,842.13, 54,981.54 and 23,720.70

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Solution

The fourth proportional to 39,842.13, 54,981.54 and 23,720.70 is: 32,734.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,842.13 : 54,981.54 = 23,720.70 : x
  2. Step 2: Convert to fraction form
    39,842.13/54,981.54 = 23,720.70/x
  3. Step 3: Cross multiply
    39,842.13x = 54,981.54 × 23,720.70
  4. Step 4: Simplify right side
    39,842.13x = 1,304,200,615.88
  5. Step 5: Solve for x
    x = 1,304,200,615.88/39,842.13
  6. Step 6: Final answer
    x = 32,734.21

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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.