Home / 51,236.30-70,711.53-30,033.38

Finding the Fourth Proportional to 51,236.30, 70,711.53 and 30,033.38

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Solution

The fourth proportional to 51,236.30, 70,711.53 and 30,033.38 is: 41,449.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,236.30 : 70,711.53 = 30,033.38 : x
  2. Step 2: Convert to fraction form
    51,236.30/70,711.53 = 30,033.38/x
  3. Step 3: Cross multiply
    51,236.30x = 70,711.53 × 30,033.38
  4. Step 4: Simplify right side
    51,236.30x = 2,123,706,250.87
  5. Step 5: Solve for x
    x = 2,123,706,250.87/51,236.30
  6. Step 6: Final answer
    x = 41,449.25

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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.