Home / 51,863.28-71,570.65-28,893.09

Finding the Fourth Proportional to 51,863.28, 71,570.65 and 28,893.09

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Solution

The fourth proportional to 51,863.28, 71,570.65 and 28,893.09 is: 39,872.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,863.28 : 71,570.65 = 28,893.09 : x
  2. Step 2: Convert to fraction form
    51,863.28/71,570.65 = 28,893.09/x
  3. Step 3: Cross multiply
    51,863.28x = 71,570.65 × 28,893.09
  4. Step 4: Simplify right side
    51,863.28x = 2,067,897,231.81
  5. Step 5: Solve for x
    x = 2,067,897,231.81/51,863.28
  6. Step 6: Final answer
    x = 39,872.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.