Home / 39,614.08-54,667.11-21,709.04

Finding the Fourth Proportional to 39,614.08, 54,667.11 and 21,709.04

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Solution

The fourth proportional to 39,614.08, 54,667.11 and 21,709.04 is: 29,958.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,614.08 : 54,667.11 = 21,709.04 : x
  2. Step 2: Convert to fraction form
    39,614.08/54,667.11 = 21,709.04/x
  3. Step 3: Cross multiply
    39,614.08x = 54,667.11 × 21,709.04
  4. Step 4: Simplify right side
    39,614.08x = 1,186,770,477.67
  5. Step 5: Solve for x
    x = 1,186,770,477.67/39,614.08
  6. Step 6: Final answer
    x = 29,958.30

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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.