Home / 51,988.46-71,744.27-28,115.33

Finding the Fourth Proportional to 51,988.46, 71,744.27 and 28,115.33

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Solution

The fourth proportional to 51,988.46, 71,744.27 and 28,115.33 is: 38,799.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,988.46 : 71,744.27 = 28,115.33 : x
  2. Step 2: Convert to fraction form
    51,988.46/71,744.27 = 28,115.33/x
  3. Step 3: Cross multiply
    51,988.46x = 71,744.27 × 28,115.33
  4. Step 4: Simplify right side
    51,988.46x = 2,017,113,327.36
  5. Step 5: Solve for x
    x = 2,017,113,327.36/51,988.46
  6. Step 6: Final answer
    x = 38,799.26

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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.