Home / 71,040.82-98,036.53-38,775.73

Finding the Fourth Proportional to 71,040.82, 98,036.53 and 38,775.73

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Solution

The fourth proportional to 71,040.82, 98,036.53 and 38,775.73 is: 53,510.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,040.82 : 98,036.53 = 38,775.73 : x
  2. Step 2: Convert to fraction form
    71,040.82/98,036.53 = 38,775.73/x
  3. Step 3: Cross multiply
    71,040.82x = 98,036.53 × 38,775.73
  4. Step 4: Simplify right side
    71,040.82x = 3,801,438,017.42
  5. Step 5: Solve for x
    x = 3,801,438,017.42/71,040.82
  6. Step 6: Final answer
    x = 53,510.62

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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.