Home / 75,622.20-113,424.64-20,222.52

Finding the Fourth Proportional to 75,622.20, 113,424.64 and 20,222.52

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Solution

The fourth proportional to 75,622.20, 113,424.64 and 20,222.52 is: 30,331.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,622.20 : 113,424.64 = 20,222.52 : x
  2. Step 2: Convert to fraction form
    75,622.20/113,424.64 = 20,222.52/x
  3. Step 3: Cross multiply
    75,622.20x = 113,424.64 × 20,222.52
  4. Step 4: Simplify right side
    75,622.20x = 2,293,732,050.89
  5. Step 5: Solve for x
    x = 2,293,732,050.89/75,622.20
  6. Step 6: Final answer
    x = 30,331.46

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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.