Home / 42,899.36-64,305.30-26,249

Finding the Fourth Proportional to 42,899.36, 64,305.30 and 26,249

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Solution

The fourth proportional to 42,899.36, 64,305.30 and 26,249 is: 39,346.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,899.36 : 64,305.30 = 26,249 : x
  2. Step 2: Convert to fraction form
    42,899.36/64,305.30 = 26,249/x
  3. Step 3: Cross multiply
    42,899.36x = 64,305.30 × 26,249
  4. Step 4: Simplify right side
    42,899.36x = 1,687,949,819.70
  5. Step 5: Solve for x
    x = 1,687,949,819.70/42,899.36
  6. Step 6: Final answer
    x = 39,346.74

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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.