Home / 39,589.33-54,632.86-21,684.19

Finding the Fourth Proportional to 39,589.33, 54,632.86 and 21,684.19

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Solution

The fourth proportional to 39,589.33, 54,632.86 and 21,684.19 is: 29,923.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,589.33 : 54,632.86 = 21,684.19 : x
  2. Step 2: Convert to fraction form
    39,589.33/54,632.86 = 21,684.19/x
  3. Step 3: Cross multiply
    39,589.33x = 54,632.86 × 21,684.19
  4. Step 4: Simplify right side
    39,589.33x = 1,184,669,316.48
  5. Step 5: Solve for x
    x = 1,184,669,316.48/39,589.33
  6. Step 6: Final answer
    x = 29,923.95

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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.