Home / 51,137.30-70,549.84-31,747.10

Finding the Fourth Proportional to 51,137.30, 70,549.84 and 31,747.10

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Solution

The fourth proportional to 51,137.30, 70,549.84 and 31,747.10 is: 43,798.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,137.30 : 70,549.84 = 31,747.10 : x
  2. Step 2: Convert to fraction form
    51,137.30/70,549.84 = 31,747.10/x
  3. Step 3: Cross multiply
    51,137.30x = 70,549.84 × 31,747.10
  4. Step 4: Simplify right side
    51,137.30x = 2,239,752,825.46
  5. Step 5: Solve for x
    x = 2,239,752,825.46/51,137.30
  6. Step 6: Final answer
    x = 43,798.81

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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.