Home / 51,758.84-71,429.76-31,612.46

Finding the Fourth Proportional to 51,758.84, 71,429.76 and 31,612.46

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Solution

The fourth proportional to 51,758.84, 71,429.76 and 31,612.46 is: 43,626.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,758.84 : 71,429.76 = 31,612.46 : x
  2. Step 2: Convert to fraction form
    51,758.84/71,429.76 = 31,612.46/x
  3. Step 3: Cross multiply
    51,758.84x = 71,429.76 × 31,612.46
  4. Step 4: Simplify right side
    51,758.84x = 2,258,070,073.66
  5. Step 5: Solve for x
    x = 2,258,070,073.66/51,758.84
  6. Step 6: Final answer
    x = 43,626.76

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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.