Home / 39,590.33-54,634.24-21,685.19

Finding the Fourth Proportional to 39,590.33, 54,634.24 and 21,685.19

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Solution

The fourth proportional to 39,590.33, 54,634.24 and 21,685.19 is: 29,925.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,590.33 : 54,634.24 = 21,685.19 : x
  2. Step 2: Convert to fraction form
    39,590.33/54,634.24 = 21,685.19/x
  3. Step 3: Cross multiply
    39,590.33x = 54,634.24 × 21,685.19
  4. Step 4: Simplify right side
    39,590.33x = 1,184,753,874.91
  5. Step 5: Solve for x
    x = 1,184,753,874.91/39,590.33
  6. Step 6: Final answer
    x = 29,925.33

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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.