Home / 29,690.16-40,974.44-17,115.76

Finding the Fourth Proportional to 29,690.16, 40,974.44 and 17,115.76

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Solution

The fourth proportional to 29,690.16, 40,974.44 and 17,115.76 is: 23,620.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,690.16 : 40,974.44 = 17,115.76 : x
  2. Step 2: Convert to fraction form
    29,690.16/40,974.44 = 17,115.76/x
  3. Step 3: Cross multiply
    29,690.16x = 40,974.44 × 17,115.76
  4. Step 4: Simplify right side
    29,690.16x = 701,308,681.17
  5. Step 5: Solve for x
    x = 701,308,681.17/29,690.16
  6. Step 6: Final answer
    x = 23,620.91

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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.