Home / 39,704.48-54,792.29-21,800.65

Finding the Fourth Proportional to 39,704.48, 54,792.29 and 21,800.65

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Solution

The fourth proportional to 39,704.48, 54,792.29 and 21,800.65 is: 30,084.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,704.48 : 54,792.29 = 21,800.65 : x
  2. Step 2: Convert to fraction form
    39,704.48/54,792.29 = 21,800.65/x
  3. Step 3: Cross multiply
    39,704.48x = 54,792.29 × 21,800.65
  4. Step 4: Simplify right side
    39,704.48x = 1,194,507,536.99
  5. Step 5: Solve for x
    x = 1,194,507,536.99/39,704.48
  6. Step 6: Final answer
    x = 30,084.96

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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.