Home / 51,244.28-76,870.38-19,669.52

Finding the Fourth Proportional to 51,244.28, 76,870.38 and 19,669.52

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Solution

The fourth proportional to 51,244.28, 76,870.38 and 19,669.52 is: 29,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,244.28 : 76,870.38 = 19,669.52 : x
  2. Step 2: Convert to fraction form
    51,244.28/76,870.38 = 19,669.52/x
  3. Step 3: Cross multiply
    51,244.28x = 76,870.38 × 19,669.52
  4. Step 4: Simplify right side
    51,244.28x = 1,512,003,476.82
  5. Step 5: Solve for x
    x = 1,512,003,476.82/51,244.28
  6. Step 6: Final answer
    x = 29,505.80

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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.