Home / 29,205.88-40,304.90-17,875.15

Finding the Fourth Proportional to 29,205.88, 40,304.90 and 17,875.15

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Solution

The fourth proportional to 29,205.88, 40,304.90 and 17,875.15 is: 24,668.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,205.88 : 40,304.90 = 17,875.15 : x
  2. Step 2: Convert to fraction form
    29,205.88/40,304.90 = 17,875.15/x
  3. Step 3: Cross multiply
    29,205.88x = 40,304.90 × 17,875.15
  4. Step 4: Simplify right side
    29,205.88x = 720,456,077.16
  5. Step 5: Solve for x
    x = 720,456,077.16/29,205.88
  6. Step 6: Final answer
    x = 24,668.19

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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.