Home / 51,256.98-70,731.12-29,747.35

Finding the Fourth Proportional to 51,256.98, 70,731.12 and 29,747.35

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Solution

The fourth proportional to 51,256.98, 70,731.12 and 29,747.35 is: 41,049.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,256.98 : 70,731.12 = 29,747.35 : x
  2. Step 2: Convert to fraction form
    51,256.98/70,731.12 = 29,747.35/x
  3. Step 3: Cross multiply
    51,256.98x = 70,731.12 × 29,747.35
  4. Step 4: Simplify right side
    51,256.98x = 2,104,063,382.53
  5. Step 5: Solve for x
    x = 2,104,063,382.53/51,256.98
  6. Step 6: Final answer
    x = 41,049.30

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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.