Home / 29,172.61-43,758.60-19,789.39

Finding the Fourth Proportional to 29,172.61, 43,758.60 and 19,789.39

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Solution

The fourth proportional to 29,172.61, 43,758.60 and 19,789.39 is: 29,683.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,172.61 : 43,758.60 = 19,789.39 : x
  2. Step 2: Convert to fraction form
    29,172.61/43,758.60 = 19,789.39/x
  3. Step 3: Cross multiply
    29,172.61x = 43,758.60 × 19,789.39
  4. Step 4: Simplify right side
    29,172.61x = 865,956,001.25
  5. Step 5: Solve for x
    x = 865,956,001.25/29,172.61
  6. Step 6: Final answer
    x = 29,683.87

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1.5x scale

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.