Home / 74,207.56-111,329.66-21,617.48

Finding the Fourth Proportional to 74,207.56, 111,329.66 and 21,617.48

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Solution

The fourth proportional to 74,207.56, 111,329.66 and 21,617.48 is: 32,431.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,207.56 : 111,329.66 = 21,617.48 : x
  2. Step 2: Convert to fraction form
    74,207.56/111,329.66 = 21,617.48/x
  3. Step 3: Cross multiply
    74,207.56x = 111,329.66 × 21,617.48
  4. Step 4: Simplify right side
    74,207.56x = 2,406,666,698.46
  5. Step 5: Solve for x
    x = 2,406,666,698.46/74,207.56
  6. Step 6: Final answer
    x = 32,431.56

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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.