Home / 42,214.29-63,346.30-15,579.03

Finding the Fourth Proportional to 42,214.29, 63,346.30 and 15,579.03

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Solution

The fourth proportional to 42,214.29, 63,346.30 and 15,579.03 is: 23,377.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,214.29 : 63,346.30 = 15,579.03 : x
  2. Step 2: Convert to fraction form
    42,214.29/63,346.30 = 15,579.03/x
  3. Step 3: Cross multiply
    42,214.29x = 63,346.30 × 15,579.03
  4. Step 4: Simplify right side
    42,214.29x = 986,873,659.84
  5. Step 5: Solve for x
    x = 986,873,659.84/42,214.29
  6. Step 6: Final answer
    x = 23,377.71

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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.