Home / 45,701.80-68,545.78-15,720.60

Finding the Fourth Proportional to 45,701.80, 68,545.78 and 15,720.60

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Solution

The fourth proportional to 45,701.80, 68,545.78 and 15,720.60 is: 23,578.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,701.80 : 68,545.78 = 15,720.60 : x
  2. Step 2: Convert to fraction form
    45,701.80/68,545.78 = 15,720.60/x
  3. Step 3: Cross multiply
    45,701.80x = 68,545.78 × 15,720.60
  4. Step 4: Simplify right side
    45,701.80x = 1,077,580,789.07
  5. Step 5: Solve for x
    x = 1,077,580,789.07/45,701.80
  6. Step 6: Final answer
    x = 23,578.52

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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.