Home / 32,687.47-45,110.69-18,352

Finding the Fourth Proportional to 32,687.47, 45,110.69 and 18,352

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Solution

The fourth proportional to 32,687.47, 45,110.69 and 18,352 is: 25,326.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,687.47 : 45,110.69 = 18,352 : x
  2. Step 2: Convert to fraction form
    32,687.47/45,110.69 = 18,352/x
  3. Step 3: Cross multiply
    32,687.47x = 45,110.69 × 18,352
  4. Step 4: Simplify right side
    32,687.47x = 827,871,382.88
  5. Step 5: Solve for x
    x = 827,871,382.88/32,687.47
  6. Step 6: Final answer
    x = 25,326.87

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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.