Home / 34,180.32-51,239.14-11,981.58

Finding the Fourth Proportional to 34,180.32, 51,239.14 and 11,981.58

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Solution

The fourth proportional to 34,180.32, 51,239.14 and 11,981.58 is: 17,961.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,180.32 : 51,239.14 = 11,981.58 : x
  2. Step 2: Convert to fraction form
    34,180.32/51,239.14 = 11,981.58/x
  3. Step 3: Cross multiply
    34,180.32x = 51,239.14 × 11,981.58
  4. Step 4: Simplify right side
    34,180.32x = 613,925,855.04
  5. Step 5: Solve for x
    x = 613,925,855.04/34,180.32
  6. Step 6: Final answer
    x = 17,961.38

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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.