Home / 39,151.77-58,727.66-11,449.77

Finding the Fourth Proportional to 39,151.77, 58,727.66 and 11,449.77

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Solution

The fourth proportional to 39,151.77, 58,727.66 and 11,449.77 is: 17,174.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,151.77 : 58,727.66 = 11,449.77 : x
  2. Step 2: Convert to fraction form
    39,151.77/58,727.66 = 11,449.77/x
  3. Step 3: Cross multiply
    39,151.77x = 58,727.66 × 11,449.77
  4. Step 4: Simplify right side
    39,151.77x = 672,418,199.64
  5. Step 5: Solve for x
    x = 672,418,199.64/39,151.77
  6. Step 6: Final answer
    x = 17,174.66

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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.