Home / 60,136.11-90,218.48-18,019.71

Finding the Fourth Proportional to 60,136.11, 90,218.48 and 18,019.71

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Solution

The fourth proportional to 60,136.11, 90,218.48 and 18,019.71 is: 27,033.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,136.11 : 90,218.48 = 18,019.71 : x
  2. Step 2: Convert to fraction form
    60,136.11/90,218.48 = 18,019.71/x
  3. Step 3: Cross multiply
    60,136.11x = 90,218.48 × 18,019.71
  4. Step 4: Simplify right side
    60,136.11x = 1,625,710,756.14
  5. Step 5: Solve for x
    x = 1,625,710,756.14/60,136.11
  6. Step 6: Final answer
    x = 27,033.85

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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.