Home / 34,638.40-51,981.90-22,188.70

Finding the Fourth Proportional to 34,638.40, 51,981.90 and 22,188.70

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Solution

The fourth proportional to 34,638.40, 51,981.90 and 22,188.70 is: 33,298.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,638.40 : 51,981.90 = 22,188.70 : x
  2. Step 2: Convert to fraction form
    34,638.40/51,981.90 = 22,188.70/x
  3. Step 3: Cross multiply
    34,638.40x = 51,981.90 × 22,188.70
  4. Step 4: Simplify right side
    34,638.40x = 1,153,410,784.53
  5. Step 5: Solve for x
    x = 1,153,410,784.53/34,638.40
  6. Step 6: Final answer
    x = 33,298.62

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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.