Home / 45,515.43-68,304.11-27,931.59

Finding the Fourth Proportional to 45,515.43, 68,304.11 and 27,931.59

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Solution

The fourth proportional to 45,515.43, 68,304.11 and 27,931.59 is: 41,916.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,515.43 : 68,304.11 = 27,931.59 : x
  2. Step 2: Convert to fraction form
    45,515.43/68,304.11 = 27,931.59/x
  3. Step 3: Cross multiply
    45,515.43x = 68,304.11 × 27,931.59
  4. Step 4: Simplify right side
    45,515.43x = 1,907,842,395.83
  5. Step 5: Solve for x
    x = 1,907,842,395.83/45,515.43
  6. Step 6: Final answer
    x = 41,916.39

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1.5x scale

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.