Home / 39,589.25-54,633.95-21,684.26

Finding the Fourth Proportional to 39,589.25, 54,633.95 and 21,684.26

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Solution

The fourth proportional to 39,589.25, 54,633.95 and 21,684.26 is: 29,924.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,589.25 : 54,633.95 = 21,684.26 : x
  2. Step 2: Convert to fraction form
    39,589.25/54,633.95 = 21,684.26/x
  3. Step 3: Cross multiply
    39,589.25x = 54,633.95 × 21,684.26
  4. Step 4: Simplify right side
    39,589.25x = 1,184,696,395.04
  5. Step 5: Solve for x
    x = 1,184,696,395.04/39,589.25
  6. Step 6: Final answer
    x = 29,924.70

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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.