Home / 39,647.70-54,685.26-25,487.01

Finding the Fourth Proportional to 39,647.70, 54,685.26 and 25,487.01

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Solution

The fourth proportional to 39,647.70, 54,685.26 and 25,487.01 is: 35,153.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,647.70 : 54,685.26 = 25,487.01 : x
  2. Step 2: Convert to fraction form
    39,647.70/54,685.26 = 25,487.01/x
  3. Step 3: Cross multiply
    39,647.70x = 54,685.26 × 25,487.01
  4. Step 4: Simplify right side
    39,647.70x = 1,393,763,768.47
  5. Step 5: Solve for x
    x = 1,393,763,768.47/39,647.70
  6. Step 6: Final answer
    x = 35,153.71

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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.