Home / 34,250.40-51,278.40-30,751.20

Finding the Fourth Proportional to 34,250.40, 51,278.40 and 30,751.20

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Solution

The fourth proportional to 34,250.40, 51,278.40 and 30,751.20 is: 46,039.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,250.40 : 51,278.40 = 30,751.20 : x
  2. Step 2: Convert to fraction form
    34,250.40/51,278.40 = 30,751.20/x
  3. Step 3: Cross multiply
    34,250.40x = 51,278.40 × 30,751.20
  4. Step 4: Simplify right side
    34,250.40x = 1,576,872,334.08
  5. Step 5: Solve for x
    x = 1,576,872,334.08/34,250.40
  6. Step 6: Final answer
    x = 46,039.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.