Home / 66,209.64-99,314.40-19,462.50

Finding the Fourth Proportional to 66,209.64, 99,314.40 and 19,462.50

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Solution

The fourth proportional to 66,209.64, 99,314.40 and 19,462.50 is: 29,193.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,209.64 : 99,314.40 = 19,462.50 : x
  2. Step 2: Convert to fraction form
    66,209.64/99,314.40 = 19,462.50/x
  3. Step 3: Cross multiply
    66,209.64x = 99,314.40 × 19,462.50
  4. Step 4: Simplify right side
    66,209.64x = 1,932,906,510
  5. Step 5: Solve for x
    x = 1,932,906,510/66,209.64
  6. Step 6: Final answer
    x = 29,193.73

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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.