Home / 42,708.35-64,076.22-20,523.33

Finding the Fourth Proportional to 42,708.35, 64,076.22 and 20,523.33

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Solution

The fourth proportional to 42,708.35, 64,076.22 and 20,523.33 is: 30,791.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,708.35 : 64,076.22 = 20,523.33 : x
  2. Step 2: Convert to fraction form
    42,708.35/64,076.22 = 20,523.33/x
  3. Step 3: Cross multiply
    42,708.35x = 64,076.22 × 20,523.33
  4. Step 4: Simplify right side
    42,708.35x = 1,315,057,408.21
  5. Step 5: Solve for x
    x = 1,315,057,408.21/42,708.35
  6. Step 6: Final answer
    x = 30,791.58

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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.