Home / 74,261.67-111,397.38-21,666.75

Finding the Fourth Proportional to 74,261.67, 111,397.38 and 21,666.75

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Solution

The fourth proportional to 74,261.67, 111,397.38 and 21,666.75 is: 32,501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,261.67 : 111,397.38 = 21,666.75 : x
  2. Step 2: Convert to fraction form
    74,261.67/111,397.38 = 21,666.75/x
  3. Step 3: Cross multiply
    74,261.67x = 111,397.38 × 21,666.75
  4. Step 4: Simplify right side
    74,261.67x = 2,413,619,183.12
  5. Step 5: Solve for x
    x = 2,413,619,183.12/74,261.67
  6. Step 6: Final answer
    x = 32,501.55

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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.