Home / 51,286.57-70,775.27-28,625.60

Finding the Fourth Proportional to 51,286.57, 70,775.27 and 28,625.60

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Solution

The fourth proportional to 51,286.57, 70,775.27 and 28,625.60 is: 39,503.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,286.57 : 70,775.27 = 28,625.60 : x
  2. Step 2: Convert to fraction form
    51,286.57/70,775.27 = 28,625.60/x
  3. Step 3: Cross multiply
    51,286.57x = 70,775.27 × 28,625.60
  4. Step 4: Simplify right side
    51,286.57x = 2,025,984,710.07
  5. Step 5: Solve for x
    x = 2,025,984,710.07/51,286.57
  6. Step 6: Final answer
    x = 39,503.22

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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.