Home / 51,348.43-70,839.75-31,202.11

Finding the Fourth Proportional to 51,348.43, 70,839.75 and 31,202.11

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Solution

The fourth proportional to 51,348.43, 70,839.75 and 31,202.11 is: 43,046.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,348.43 : 70,839.75 = 31,202.11 : x
  2. Step 2: Convert to fraction form
    51,348.43/70,839.75 = 31,202.11/x
  3. Step 3: Cross multiply
    51,348.43x = 70,839.75 × 31,202.11
  4. Step 4: Simplify right side
    51,348.43x = 2,210,349,671.87
  5. Step 5: Solve for x
    x = 2,210,349,671.87/51,348.43
  6. Step 6: Final answer
    x = 43,046.10

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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.