Home / 30,118.32-41,564.88-16,691.04

Finding the Fourth Proportional to 30,118.32, 41,564.88 and 16,691.04

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Solution

The fourth proportional to 30,118.32, 41,564.88 and 16,691.04 is: 23,034.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,118.32 : 41,564.88 = 16,691.04 : x
  2. Step 2: Convert to fraction form
    30,118.32/41,564.88 = 16,691.04/x
  3. Step 3: Cross multiply
    30,118.32x = 41,564.88 × 16,691.04
  4. Step 4: Simplify right side
    30,118.32x = 693,761,074.68
  5. Step 5: Solve for x
    x = 693,761,074.68/30,118.32
  6. Step 6: Final answer
    x = 23,034.52

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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.