Home / 39,191.61-54,083.65-22,195.58

Finding the Fourth Proportional to 39,191.61, 54,083.65 and 22,195.58

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Solution

The fourth proportional to 39,191.61, 54,083.65 and 22,195.58 is: 30,629.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,191.61 : 54,083.65 = 22,195.58 : x
  2. Step 2: Convert to fraction form
    39,191.61/54,083.65 = 22,195.58/x
  3. Step 3: Cross multiply
    39,191.61x = 54,083.65 × 22,195.58
  4. Step 4: Simplify right side
    39,191.61x = 1,200,417,869.29
  5. Step 5: Solve for x
    x = 1,200,417,869.29/39,191.61
  6. Step 6: Final answer
    x = 30,629.46

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Double scale
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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.