Home / 49,868.48-74,760.80-21,767.11

Finding the Fourth Proportional to 49,868.48, 74,760.80 and 21,767.11

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Solution

The fourth proportional to 49,868.48, 74,760.80 and 21,767.11 is: 32,632.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,868.48 : 74,760.80 = 21,767.11 : x
  2. Step 2: Convert to fraction form
    49,868.48/74,760.80 = 21,767.11/x
  3. Step 3: Cross multiply
    49,868.48x = 74,760.80 × 21,767.11
  4. Step 4: Simplify right side
    49,868.48x = 1,627,326,261.55
  5. Step 5: Solve for x
    x = 1,627,326,261.55/49,868.48
  6. Step 6: Final answer
    x = 32,632.36

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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.