Home / 39,518.82-54,536.04-21,613.86

Finding the Fourth Proportional to 39,518.82, 54,536.04 and 21,613.86

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Solution

The fourth proportional to 39,518.82, 54,536.04 and 21,613.86 is: 29,827.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,518.82 : 54,536.04 = 21,613.86 : x
  2. Step 2: Convert to fraction form
    39,518.82/54,536.04 = 21,613.86/x
  3. Step 3: Cross multiply
    39,518.82x = 54,536.04 × 21,613.86
  4. Step 4: Simplify right side
    39,518.82x = 1,178,734,333.51
  5. Step 5: Solve for x
    x = 1,178,734,333.51/39,518.82
  6. Step 6: Final answer
    x = 29,827.16

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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.