Home / 37,829.12-52,202.31-21,918.69

Finding the Fourth Proportional to 37,829.12, 52,202.31 and 21,918.69

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Solution

The fourth proportional to 37,829.12, 52,202.31 and 21,918.69 is: 30,246.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,829.12 : 52,202.31 = 21,918.69 : x
  2. Step 2: Convert to fraction form
    37,829.12/52,202.31 = 21,918.69/x
  3. Step 3: Cross multiply
    37,829.12x = 52,202.31 × 21,918.69
  4. Step 4: Simplify right side
    37,829.12x = 1,144,206,250.17
  5. Step 5: Solve for x
    x = 1,144,206,250.17/37,829.12
  6. Step 6: Final answer
    x = 30,246.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.