Home / 30,238.22-45,339.72-22,237.76

Finding the Fourth Proportional to 30,238.22, 45,339.72 and 22,237.76

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Solution

The fourth proportional to 30,238.22, 45,339.72 and 22,237.76 is: 33,343.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,238.22 : 45,339.72 = 22,237.76 : x
  2. Step 2: Convert to fraction form
    30,238.22/45,339.72 = 22,237.76/x
  3. Step 3: Cross multiply
    30,238.22x = 45,339.72 × 22,237.76
  4. Step 4: Simplify right side
    30,238.22x = 1,008,253,811.83
  5. Step 5: Solve for x
    x = 1,008,253,811.83/30,238.22
  6. Step 6: Final answer
    x = 33,343.69

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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.