Home / 84,275.53-126,396.18-30,949.18

Finding the Fourth Proportional to 84,275.53, 126,396.18 and 30,949.18

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Solution

The fourth proportional to 84,275.53, 126,396.18 and 30,949.18 is: 46,417.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,275.53 : 126,396.18 = 30,949.18 : x
  2. Step 2: Convert to fraction form
    84,275.53/126,396.18 = 30,949.18/x
  3. Step 3: Cross multiply
    84,275.53x = 126,396.18 × 30,949.18
  4. Step 4: Simplify right side
    84,275.53x = 3,911,857,810.14
  5. Step 5: Solve for x
    x = 3,911,857,810.14/84,275.53
  6. Step 6: Final answer
    x = 46,417.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.