Home / 33,219.99-49,851.86-15,691.59

Finding the Fourth Proportional to 33,219.99, 49,851.86 and 15,691.59

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Solution

The fourth proportional to 33,219.99, 49,851.86 and 15,691.59 is: 23,547.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,219.99 : 49,851.86 = 15,691.59 : x
  2. Step 2: Convert to fraction form
    33,219.99/49,851.86 = 15,691.59/x
  3. Step 3: Cross multiply
    33,219.99x = 49,851.86 × 15,691.59
  4. Step 4: Simplify right side
    33,219.99x = 782,254,869.40
  5. Step 5: Solve for x
    x = 782,254,869.40/33,219.99
  6. Step 6: Final answer
    x = 23,547.72

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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.