Home / 51,989.03-71,744.63-28,115.63

Finding the Fourth Proportional to 51,989.03, 71,744.63 and 28,115.63

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Solution

The fourth proportional to 51,989.03, 71,744.63 and 28,115.63 is: 38,799.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,989.03 : 71,744.63 = 28,115.63 : x
  2. Step 2: Convert to fraction form
    51,989.03/71,744.63 = 28,115.63/x
  3. Step 3: Cross multiply
    51,989.03x = 71,744.63 × 28,115.63
  4. Step 4: Simplify right side
    51,989.03x = 2,017,145,471.57
  5. Step 5: Solve for x
    x = 2,017,145,471.57/51,989.03
  6. Step 6: Final answer
    x = 38,799.44

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Double scale
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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.