Home / 39,613.01-54,665.03-21,707.62

Finding the Fourth Proportional to 39,613.01, 54,665.03 and 21,707.62

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Solution

The fourth proportional to 39,613.01, 54,665.03 and 21,707.62 is: 29,956.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,613.01 : 54,665.03 = 21,707.62 : x
  2. Step 2: Convert to fraction form
    39,613.01/54,665.03 = 21,707.62/x
  3. Step 3: Cross multiply
    39,613.01x = 54,665.03 × 21,707.62
  4. Step 4: Simplify right side
    39,613.01x = 1,186,647,616.14
  5. Step 5: Solve for x
    x = 1,186,647,616.14/39,613.01
  6. Step 6: Final answer
    x = 29,956.01

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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.