Home / 29,555.06-40,780.42-17,619.52

Finding the Fourth Proportional to 29,555.06, 40,780.42 and 17,619.52

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Solution

The fourth proportional to 29,555.06, 40,780.42 and 17,619.52 is: 24,311.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,555.06 : 40,780.42 = 17,619.52 : x
  2. Step 2: Convert to fraction form
    29,555.06/40,780.42 = 17,619.52/x
  3. Step 3: Cross multiply
    29,555.06x = 40,780.42 × 17,619.52
  4. Step 4: Simplify right side
    29,555.06x = 718,531,425.80
  5. Step 5: Solve for x
    x = 718,531,425.80/29,555.06
  6. Step 6: Final answer
    x = 24,311.62

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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.