Home / 30,311.42-41,848.92-22,339.76

Finding the Fourth Proportional to 30,311.42, 41,848.92 and 22,339.76

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Solution

The fourth proportional to 30,311.42, 41,848.92 and 22,339.76 is: 30,842.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,311.42 : 41,848.92 = 22,339.76 : x
  2. Step 2: Convert to fraction form
    30,311.42/41,848.92 = 22,339.76/x
  3. Step 3: Cross multiply
    30,311.42x = 41,848.92 × 22,339.76
  4. Step 4: Simplify right side
    30,311.42x = 934,894,949.32
  5. Step 5: Solve for x
    x = 934,894,949.32/30,311.42
  6. Step 6: Final answer
    x = 30,842.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.