Home / 39,614.01-54,667.38-21,709.68

Finding the Fourth Proportional to 39,614.01, 54,667.38 and 21,709.68

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Solution

The fourth proportional to 39,614.01, 54,667.38 and 21,709.68 is: 29,959.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,614.01 : 54,667.38 = 21,709.68 : x
  2. Step 2: Convert to fraction form
    39,614.01/54,667.38 = 21,709.68/x
  3. Step 3: Cross multiply
    39,614.01x = 54,667.38 × 21,709.68
  4. Step 4: Simplify right side
    39,614.01x = 1,186,811,326.24
  5. Step 5: Solve for x
    x = 1,186,811,326.24/39,614.01
  6. Step 6: Final answer
    x = 29,959.38

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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.