Home / 76,519.95-114,788.66-20,362.38

Finding the Fourth Proportional to 76,519.95, 114,788.66 and 20,362.38

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Solution

The fourth proportional to 76,519.95, 114,788.66 and 20,362.38 is: 30,545.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,519.95 : 114,788.66 = 20,362.38 : x
  2. Step 2: Convert to fraction form
    76,519.95/114,788.66 = 20,362.38/x
  3. Step 3: Cross multiply
    76,519.95x = 114,788.66 × 20,362.38
  4. Step 4: Simplify right side
    76,519.95x = 2,337,370,212.80
  5. Step 5: Solve for x
    x = 2,337,370,212.80/76,519.95
  6. Step 6: Final answer
    x = 30,545.89

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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.