Home / 43,281.33-64,882.80-16,979.01

Finding the Fourth Proportional to 43,281.33, 64,882.80 and 16,979.01

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Solution

The fourth proportional to 43,281.33, 64,882.80 and 16,979.01 is: 25,453.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,281.33 : 64,882.80 = 16,979.01 : x
  2. Step 2: Convert to fraction form
    43,281.33/64,882.80 = 16,979.01/x
  3. Step 3: Cross multiply
    43,281.33x = 64,882.80 × 16,979.01
  4. Step 4: Simplify right side
    43,281.33x = 1,101,645,385.61
  5. Step 5: Solve for x
    x = 1,101,645,385.61/43,281.33
  6. Step 6: Final answer
    x = 25,453.13

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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.