Home / 39,614.75-54,668.35-21,710.16

Finding the Fourth Proportional to 39,614.75, 54,668.35 and 21,710.16

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Solution

The fourth proportional to 39,614.75, 54,668.35 and 21,710.16 is: 29,960.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,614.75 : 54,668.35 = 21,710.16 : x
  2. Step 2: Convert to fraction form
    39,614.75/54,668.35 = 21,710.16/x
  3. Step 3: Cross multiply
    39,614.75x = 54,668.35 × 21,710.16
  4. Step 4: Simplify right side
    39,614.75x = 1,186,858,625.44
  5. Step 5: Solve for x
    x = 1,186,858,625.44/39,614.75
  6. Step 6: Final answer
    x = 29,960.02

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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.