Home / 45,629.33-68,397.41-30,839.74

Finding the Fourth Proportional to 45,629.33, 68,397.41 and 30,839.74

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Solution

The fourth proportional to 45,629.33, 68,397.41 and 30,839.74 is: 46,228.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,629.33 : 68,397.41 = 30,839.74 : x
  2. Step 2: Convert to fraction form
    45,629.33/68,397.41 = 30,839.74/x
  3. Step 3: Cross multiply
    45,629.33x = 68,397.41 × 30,839.74
  4. Step 4: Simplify right side
    45,629.33x = 2,109,358,247.18
  5. Step 5: Solve for x
    x = 2,109,358,247.18/45,629.33
  6. Step 6: Final answer
    x = 46,228.13

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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.