Home / 39,329.85-54,276.24-21,426.02

Finding the Fourth Proportional to 39,329.85, 54,276.24 and 21,426.02

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Solution

The fourth proportional to 39,329.85, 54,276.24 and 21,426.02 is: 29,568.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,329.85 : 54,276.24 = 21,426.02 : x
  2. Step 2: Convert to fraction form
    39,329.85/54,276.24 = 21,426.02/x
  3. Step 3: Cross multiply
    39,329.85x = 54,276.24 × 21,426.02
  4. Step 4: Simplify right side
    39,329.85x = 1,162,923,816.27
  5. Step 5: Solve for x
    x = 1,162,923,816.27/39,329.85
  6. Step 6: Final answer
    x = 29,568.48

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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.