Home / 34,152.12-51,240.24-11,971.68

Finding the Fourth Proportional to 34,152.12, 51,240.24 and 11,971.68

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Solution

The fourth proportional to 34,152.12, 51,240.24 and 11,971.68 is: 17,961.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,152.12 : 51,240.24 = 11,971.68 : x
  2. Step 2: Convert to fraction form
    34,152.12/51,240.24 = 11,971.68/x
  3. Step 3: Cross multiply
    34,152.12x = 51,240.24 × 11,971.68
  4. Step 4: Simplify right side
    34,152.12x = 613,431,756.40
  5. Step 5: Solve for x
    x = 613,431,756.40/34,152.12
  6. Step 6: Final answer
    x = 17,961.75

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1.5x scale

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.