Home / 39,847.14-54,984.83-21,941.08

Finding the Fourth Proportional to 39,847.14, 54,984.83 and 21,941.08

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Solution

The fourth proportional to 39,847.14, 54,984.83 and 21,941.08 is: 30,276.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,847.14 : 54,984.83 = 21,941.08 : x
  2. Step 2: Convert to fraction form
    39,847.14/54,984.83 = 21,941.08/x
  3. Step 3: Cross multiply
    39,847.14x = 54,984.83 × 21,941.08
  4. Step 4: Simplify right side
    39,847.14x = 1,206,426,306.65
  5. Step 5: Solve for x
    x = 1,206,426,306.65/39,847.14
  6. Step 6: Final answer
    x = 30,276.36

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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.