Home / 40,906.40-61,408.20-23,151.20

Finding the Fourth Proportional to 40,906.40, 61,408.20 and 23,151.20

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Solution

The fourth proportional to 40,906.40, 61,408.20 and 23,151.20 is: 34,754.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,906.40 : 61,408.20 = 23,151.20 : x
  2. Step 2: Convert to fraction form
    40,906.40/61,408.20 = 23,151.20/x
  3. Step 3: Cross multiply
    40,906.40x = 61,408.20 × 23,151.20
  4. Step 4: Simplify right side
    40,906.40x = 1,421,673,519.84
  5. Step 5: Solve for x
    x = 1,421,673,519.84/40,906.40
  6. Step 6: Final answer
    x = 34,754.31

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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.