Home / 51,408.28-76,924.63-30,358.27

Finding the Fourth Proportional to 51,408.28, 76,924.63 and 30,358.27

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Solution

The fourth proportional to 51,408.28, 76,924.63 and 30,358.27 is: 45,426.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,408.28 : 76,924.63 = 30,358.27 : x
  2. Step 2: Convert to fraction form
    51,408.28/76,924.63 = 30,358.27/x
  3. Step 3: Cross multiply
    51,408.28x = 76,924.63 × 30,358.27
  4. Step 4: Simplify right side
    51,408.28x = 2,335,298,687.19
  5. Step 5: Solve for x
    x = 2,335,298,687.19/51,408.28
  6. Step 6: Final answer
    x = 45,426.51

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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.