Home / 51,851.84-71,551.82-29,189.66

Finding the Fourth Proportional to 51,851.84, 71,551.82 and 29,189.66

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Solution

The fourth proportional to 51,851.84, 71,551.82 and 29,189.66 is: 40,279.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,851.84 : 71,551.82 = 29,189.66 : x
  2. Step 2: Convert to fraction form
    51,851.84/71,551.82 = 29,189.66/x
  3. Step 3: Cross multiply
    51,851.84x = 71,551.82 × 29,189.66
  4. Step 4: Simplify right side
    51,851.84x = 2,088,573,013.40
  5. Step 5: Solve for x
    x = 2,088,573,013.40/51,851.84
  6. Step 6: Final answer
    x = 40,279.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.