Home / 39,920.99-59,881.79-17,728.41

Finding the Fourth Proportional to 39,920.99, 59,881.79 and 17,728.41

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Solution

The fourth proportional to 39,920.99, 59,881.79 and 17,728.41 is: 26,592.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,920.99 : 59,881.79 = 17,728.41 : x
  2. Step 2: Convert to fraction form
    39,920.99/59,881.79 = 17,728.41/x
  3. Step 3: Cross multiply
    39,920.99x = 59,881.79 × 17,728.41
  4. Step 4: Simplify right side
    39,920.99x = 1,061,608,968.97
  5. Step 5: Solve for x
    x = 1,061,608,968.97/39,920.99
  6. Step 6: Final answer
    x = 26,592.75

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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.