Home / 61,251.66-91,819.17-19,669.50

Finding the Fourth Proportional to 61,251.66, 91,819.17 and 19,669.50

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Solution

The fourth proportional to 61,251.66, 91,819.17 and 19,669.50 is: 29,485.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,251.66 : 91,819.17 = 19,669.50 : x
  2. Step 2: Convert to fraction form
    61,251.66/91,819.17 = 19,669.50/x
  3. Step 3: Cross multiply
    61,251.66x = 91,819.17 × 19,669.50
  4. Step 4: Simplify right side
    61,251.66x = 1,806,037,164.32
  5. Step 5: Solve for x
    x = 1,806,037,164.32/61,251.66
  6. Step 6: Final answer
    x = 29,485.52

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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.