Home / 29,215.06-40,314.45-17,278.90

Finding the Fourth Proportional to 29,215.06, 40,314.45 and 17,278.90

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Solution

The fourth proportional to 29,215.06, 40,314.45 and 17,278.90 is: 23,843.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,215.06 : 40,314.45 = 17,278.90 : x
  2. Step 2: Convert to fraction form
    29,215.06/40,314.45 = 17,278.90/x
  3. Step 3: Cross multiply
    29,215.06x = 40,314.45 × 17,278.90
  4. Step 4: Simplify right side
    29,215.06x = 696,589,350.11
  5. Step 5: Solve for x
    x = 696,589,350.11/29,215.06
  6. Step 6: Final answer
    x = 23,843.50

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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.