Home / 43,810.78-65,716.08-17,521.66

Finding the Fourth Proportional to 43,810.78, 65,716.08 and 17,521.66

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Solution

The fourth proportional to 43,810.78, 65,716.08 and 17,521.66 is: 26,282.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,810.78 : 65,716.08 = 17,521.66 : x
  2. Step 2: Convert to fraction form
    43,810.78/65,716.08 = 17,521.66/x
  3. Step 3: Cross multiply
    43,810.78x = 65,716.08 × 17,521.66
  4. Step 4: Simplify right side
    43,810.78x = 1,151,454,810.29
  5. Step 5: Solve for x
    x = 1,151,454,810.29/43,810.78
  6. Step 6: Final answer
    x = 26,282.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.