Home / 29,988-41,387.09-17,412.75

Finding the Fourth Proportional to 29,988, 41,387.09 and 17,412.75

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Solution

The fourth proportional to 29,988, 41,387.09 and 17,412.75 is: 24,031.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,988 : 41,387.09 = 17,412.75 : x
  2. Step 2: Convert to fraction form
    29,988/41,387.09 = 17,412.75/x
  3. Step 3: Cross multiply
    29,988x = 41,387.09 × 17,412.75
  4. Step 4: Simplify right side
    29,988x = 720,663,051.40
  5. Step 5: Solve for x
    x = 720,663,051.40/29,988
  6. Step 6: Final answer
    x = 24,031.71

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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.