Home / 43,128.09-59,198.78-38,306.97

Finding the Fourth Proportional to 43,128.09, 59,198.78 and 38,306.97

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Solution

The fourth proportional to 43,128.09, 59,198.78 and 38,306.97 is: 52,581.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,128.09 : 59,198.78 = 38,306.97 : x
  2. Step 2: Convert to fraction form
    43,128.09/59,198.78 = 38,306.97/x
  3. Step 3: Cross multiply
    43,128.09x = 59,198.78 × 38,306.97
  4. Step 4: Simplify right side
    43,128.09x = 2,267,725,985.26
  5. Step 5: Solve for x
    x = 2,267,725,985.26/43,128.09
  6. Step 6: Final answer
    x = 52,581.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.