Home / 43,018.07-64,531.17-16,724.84

Finding the Fourth Proportional to 43,018.07, 64,531.17 and 16,724.84

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Solution

The fourth proportional to 43,018.07, 64,531.17 and 16,724.84 is: 25,088.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,018.07 : 64,531.17 = 16,724.84 : x
  2. Step 2: Convert to fraction form
    43,018.07/64,531.17 = 16,724.84/x
  3. Step 3: Cross multiply
    43,018.07x = 64,531.17 × 16,724.84
  4. Step 4: Simplify right side
    43,018.07x = 1,079,273,170.61
  5. Step 5: Solve for x
    x = 1,079,273,170.61/43,018.07
  6. Step 6: Final answer
    x = 25,088.84

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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.