Home / 30,216.20-45,234.70-22,459.40

Finding the Fourth Proportional to 30,216.20, 45,234.70 and 22,459.40

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Solution

The fourth proportional to 30,216.20, 45,234.70 and 22,459.40 is: 33,622.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,216.20 : 45,234.70 = 22,459.40 : x
  2. Step 2: Convert to fraction form
    30,216.20/45,234.70 = 22,459.40/x
  3. Step 3: Cross multiply
    30,216.20x = 45,234.70 × 22,459.40
  4. Step 4: Simplify right side
    30,216.20x = 1,015,944,221.18
  5. Step 5: Solve for x
    x = 1,015,944,221.18/30,216.20
  6. Step 6: Final answer
    x = 33,622.50

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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.