Home / 51,352.91-70,867.49-30,132.53

Finding the Fourth Proportional to 51,352.91, 70,867.49 and 30,132.53

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Solution

The fourth proportional to 51,352.91, 70,867.49 and 30,132.53 is: 41,583.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,352.91 : 70,867.49 = 30,132.53 : x
  2. Step 2: Convert to fraction form
    51,352.91/70,867.49 = 30,132.53/x
  3. Step 3: Cross multiply
    51,352.91x = 70,867.49 × 30,132.53
  4. Step 4: Simplify right side
    51,352.91x = 2,135,416,617.79
  5. Step 5: Solve for x
    x = 2,135,416,617.79/51,352.91
  6. Step 6: Final answer
    x = 41,583.17

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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.