Home / 39,707.14-54,795.48-21,801.99

Finding the Fourth Proportional to 39,707.14, 54,795.48 and 21,801.99

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Solution

The fourth proportional to 39,707.14, 54,795.48 and 21,801.99 is: 30,086.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,707.14 : 54,795.48 = 21,801.99 : x
  2. Step 2: Convert to fraction form
    39,707.14/54,795.48 = 21,801.99/x
  3. Step 3: Cross multiply
    39,707.14x = 54,795.48 × 21,801.99
  4. Step 4: Simplify right side
    39,707.14x = 1,194,650,425.25
  5. Step 5: Solve for x
    x = 1,194,650,425.25/39,707.14
  6. Step 6: Final answer
    x = 30,086.54

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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.