Home / 36,211.68-54,299.72-15,145.40

Finding the Fourth Proportional to 36,211.68, 54,299.72 and 15,145.40

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Solution

The fourth proportional to 36,211.68, 54,299.72 and 15,145.40 is: 22,710.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,211.68 : 54,299.72 = 15,145.40 : x
  2. Step 2: Convert to fraction form
    36,211.68/54,299.72 = 15,145.40/x
  3. Step 3: Cross multiply
    36,211.68x = 54,299.72 × 15,145.40
  4. Step 4: Simplify right side
    36,211.68x = 822,390,632.06
  5. Step 5: Solve for x
    x = 822,390,632.06/36,211.68
  6. Step 6: Final answer
    x = 22,710.65

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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.