Home / 39,151.40-58,727.09-11,449.40

Finding the Fourth Proportional to 39,151.40, 58,727.09 and 11,449.40

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Solution

The fourth proportional to 39,151.40, 58,727.09 and 11,449.40 is: 17,174.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,151.40 : 58,727.09 = 11,449.40 : x
  2. Step 2: Convert to fraction form
    39,151.40/58,727.09 = 11,449.40/x
  3. Step 3: Cross multiply
    39,151.40x = 58,727.09 × 11,449.40
  4. Step 4: Simplify right side
    39,151.40x = 672,389,679.23
  5. Step 5: Solve for x
    x = 672,389,679.23/39,151.40
  6. Step 6: Final answer
    x = 17,174.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.