Home / 43,040.16-59,371.52-39,995.78

Finding the Fourth Proportional to 43,040.16, 59,371.52 and 39,995.78

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Solution

The fourth proportional to 43,040.16, 59,371.52 and 39,995.78 is: 55,171.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,040.16 : 59,371.52 = 39,995.78 : x
  2. Step 2: Convert to fraction form
    43,040.16/59,371.52 = 39,995.78/x
  3. Step 3: Cross multiply
    43,040.16x = 59,371.52 × 39,995.78
  4. Step 4: Simplify right side
    43,040.16x = 2,374,609,755.35
  5. Step 5: Solve for x
    x = 2,374,609,755.35/43,040.16
  6. Step 6: Final answer
    x = 55,171.95

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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.