Home / 45,918.38-68,877.57-18,216.38

Finding the Fourth Proportional to 45,918.38, 68,877.57 and 18,216.38

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Solution

The fourth proportional to 45,918.38, 68,877.57 and 18,216.38 is: 27,324.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,918.38 : 68,877.57 = 18,216.38 : x
  2. Step 2: Convert to fraction form
    45,918.38/68,877.57 = 18,216.38/x
  3. Step 3: Cross multiply
    45,918.38x = 68,877.57 × 18,216.38
  4. Step 4: Simplify right side
    45,918.38x = 1,254,699,988.60
  5. Step 5: Solve for x
    x = 1,254,699,988.60/45,918.38
  6. Step 6: Final answer
    x = 27,324.57

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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.