Home / 55,539.88-76,565.30-39,596.65

Finding the Fourth Proportional to 55,539.88, 76,565.30 and 39,596.65

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Solution

The fourth proportional to 55,539.88, 76,565.30 and 39,596.65 is: 54,586.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,539.88 : 76,565.30 = 39,596.65 : x
  2. Step 2: Convert to fraction form
    55,539.88/76,565.30 = 39,596.65/x
  3. Step 3: Cross multiply
    55,539.88x = 76,565.30 × 39,596.65
  4. Step 4: Simplify right side
    55,539.88x = 3,031,729,386.25
  5. Step 5: Solve for x
    x = 3,031,729,386.25/55,539.88
  6. Step 6: Final answer
    x = 54,586.53

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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.