Home / 39,267.62-54,222.01-36,418.40

Finding the Fourth Proportional to 39,267.62, 54,222.01 and 36,418.40

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Solution

The fourth proportional to 39,267.62, 54,222.01 and 36,418.40 is: 50,287.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,267.62 : 54,222.01 = 36,418.40 : x
  2. Step 2: Convert to fraction form
    39,267.62/54,222.01 = 36,418.40/x
  3. Step 3: Cross multiply
    39,267.62x = 54,222.01 × 36,418.40
  4. Step 4: Simplify right side
    39,267.62x = 1,974,678,486.83
  5. Step 5: Solve for x
    x = 1,974,678,486.83/39,267.62
  6. Step 6: Final answer
    x = 50,287.71

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1.5x scale

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.