Home / 30,117.22-41,562.37-17,542.78

Finding the Fourth Proportional to 30,117.22, 41,562.37 and 17,542.78

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Solution

The fourth proportional to 30,117.22, 41,562.37 and 17,542.78 is: 24,209.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,117.22 : 41,562.37 = 17,542.78 : x
  2. Step 2: Convert to fraction form
    30,117.22/41,562.37 = 17,542.78/x
  3. Step 3: Cross multiply
    30,117.22x = 41,562.37 × 17,542.78
  4. Step 4: Simplify right side
    30,117.22x = 729,119,425.47
  5. Step 5: Solve for x
    x = 729,119,425.47/30,117.22
  6. Step 6: Final answer
    x = 24,209.39

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Half scale
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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.