Home / 55,247.28-76,270.14-43,121.76

Finding the Fourth Proportional to 55,247.28, 76,270.14 and 43,121.76

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Solution

The fourth proportional to 55,247.28, 76,270.14 and 43,121.76 is: 59,530.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,247.28 : 76,270.14 = 43,121.76 : x
  2. Step 2: Convert to fraction form
    55,247.28/76,270.14 = 43,121.76/x
  3. Step 3: Cross multiply
    55,247.28x = 76,270.14 × 43,121.76
  4. Step 4: Simplify right side
    55,247.28x = 3,288,902,672.25
  5. Step 5: Solve for x
    x = 3,288,902,672.25/55,247.28
  6. Step 6: Final answer
    x = 59,530.58

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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.