Home / 39,418.75-59,153.49-15,722.25

Finding the Fourth Proportional to 39,418.75, 59,153.49 and 15,722.25

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Solution

The fourth proportional to 39,418.75, 59,153.49 and 15,722.25 is: 23,593.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,418.75 : 59,153.49 = 15,722.25 : x
  2. Step 2: Convert to fraction form
    39,418.75/59,153.49 = 15,722.25/x
  3. Step 3: Cross multiply
    39,418.75x = 59,153.49 × 15,722.25
  4. Step 4: Simplify right side
    39,418.75x = 930,026,069.07
  5. Step 5: Solve for x
    x = 930,026,069.07/39,418.75
  6. Step 6: Final answer
    x = 23,593.49

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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.