Home / 39,717.73-54,773.89-26,989.99

Finding the Fourth Proportional to 39,717.73, 54,773.89 and 26,989.99

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Solution

The fourth proportional to 39,717.73, 54,773.89 and 26,989.99 is: 37,221.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,717.73 : 54,773.89 = 26,989.99 : x
  2. Step 2: Convert to fraction form
    39,717.73/54,773.89 = 26,989.99/x
  3. Step 3: Cross multiply
    39,717.73x = 54,773.89 × 26,989.99
  4. Step 4: Simplify right side
    39,717.73x = 1,478,346,743.36
  5. Step 5: Solve for x
    x = 1,478,346,743.36/39,717.73
  6. Step 6: Final answer
    x = 37,221.33

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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.