Home / 39,589.52-54,633.56-21,684.58

Finding the Fourth Proportional to 39,589.52, 54,633.56 and 21,684.58

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Solution

The fourth proportional to 39,589.52, 54,633.56 and 21,684.58 is: 29,924.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,589.52 : 54,633.56 = 21,684.58 : x
  2. Step 2: Convert to fraction form
    39,589.52/54,633.56 = 21,684.58/x
  3. Step 3: Cross multiply
    39,589.52x = 54,633.56 × 21,684.58
  4. Step 4: Simplify right side
    39,589.52x = 1,184,705,802.50
  5. Step 5: Solve for x
    x = 1,184,705,802.50/39,589.52
  6. Step 6: Final answer
    x = 29,924.73

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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.