Home / 30,982.88-42,752.91-17,551.26

Finding the Fourth Proportional to 30,982.88, 42,752.91 and 17,551.26

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Solution

The fourth proportional to 30,982.88, 42,752.91 and 17,551.26 is: 24,218.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,982.88 : 42,752.91 = 17,551.26 : x
  2. Step 2: Convert to fraction form
    30,982.88/42,752.91 = 17,551.26/x
  3. Step 3: Cross multiply
    30,982.88x = 42,752.91 × 17,551.26
  4. Step 4: Simplify right side
    30,982.88x = 750,367,395.29
  5. Step 5: Solve for x
    x = 750,367,395.29/30,982.88
  6. Step 6: Final answer
    x = 24,218.77

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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.