Home / 54,895.15-82,343.63-15,453.21

Finding the Fourth Proportional to 54,895.15, 82,343.63 and 15,453.21

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Solution

The fourth proportional to 54,895.15, 82,343.63 and 15,453.21 is: 23,180.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,895.15 : 82,343.63 = 15,453.21 : x
  2. Step 2: Convert to fraction form
    54,895.15/82,343.63 = 15,453.21/x
  3. Step 3: Cross multiply
    54,895.15x = 82,343.63 × 15,453.21
  4. Step 4: Simplify right side
    54,895.15x = 1,272,473,406.55
  5. Step 5: Solve for x
    x = 1,272,473,406.55/54,895.15
  6. Step 6: Final answer
    x = 23,180.07

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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.