Home / 29,981.20-44,917.80-14,364.40

Finding the Fourth Proportional to 29,981.20, 44,917.80 and 14,364.40

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Solution

The fourth proportional to 29,981.20, 44,917.80 and 14,364.40 is: 21,520.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,981.20 : 44,917.80 = 14,364.40 : x
  2. Step 2: Convert to fraction form
    29,981.20/44,917.80 = 14,364.40/x
  3. Step 3: Cross multiply
    29,981.20x = 44,917.80 × 14,364.40
  4. Step 4: Simplify right side
    29,981.20x = 645,217,246.32
  5. Step 5: Solve for x
    x = 645,217,246.32/29,981.20
  6. Step 6: Final answer
    x = 21,520.73

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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.