Home / 60,868.07-91,306.23-18,745.55

Finding the Fourth Proportional to 60,868.07, 91,306.23 and 18,745.55

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Solution

The fourth proportional to 60,868.07, 91,306.23 and 18,745.55 is: 28,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,868.07 : 91,306.23 = 18,745.55 : x
  2. Step 2: Convert to fraction form
    60,868.07/91,306.23 = 18,745.55/x
  3. Step 3: Cross multiply
    60,868.07x = 91,306.23 × 18,745.55
  4. Step 4: Simplify right side
    60,868.07x = 1,711,585,499.78
  5. Step 5: Solve for x
    x = 1,711,585,499.78/60,868.07
  6. Step 6: Final answer
    x = 28,119.60

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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.