Home / 30,125.56-41,575.86-17,381.08

Finding the Fourth Proportional to 30,125.56, 41,575.86 and 17,381.08

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Solution

The fourth proportional to 30,125.56, 41,575.86 and 17,381.08 is: 23,987.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,125.56 : 41,575.86 = 17,381.08 : x
  2. Step 2: Convert to fraction form
    30,125.56/41,575.86 = 17,381.08/x
  3. Step 3: Cross multiply
    30,125.56x = 41,575.86 × 17,381.08
  4. Step 4: Simplify right side
    30,125.56x = 722,633,348.73
  5. Step 5: Solve for x
    x = 722,633,348.73/30,125.56
  6. Step 6: Final answer
    x = 23,987.38

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Half scale
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Double scale
Find fourth proportional to 30,126.56, 41,577.24 and 17,382.08
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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.