Home / 39,647.40-54,742.10-25,524.84

Finding the Fourth Proportional to 39,647.40, 54,742.10 and 25,524.84

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Solution

The fourth proportional to 39,647.40, 54,742.10 and 25,524.84 is: 35,242.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,647.40 : 54,742.10 = 25,524.84 : x
  2. Step 2: Convert to fraction form
    39,647.40/54,742.10 = 25,524.84/x
  3. Step 3: Cross multiply
    39,647.40x = 54,742.10 × 25,524.84
  4. Step 4: Simplify right side
    39,647.40x = 1,397,283,343.76
  5. Step 5: Solve for x
    x = 1,397,283,343.76/39,647.40
  6. Step 6: Final answer
    x = 35,242.75

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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.