Home / 36,720.56-55,039.52-21,898.50

Finding the Fourth Proportional to 36,720.56, 55,039.52 and 21,898.50

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Solution

The fourth proportional to 36,720.56, 55,039.52 and 21,898.50 is: 32,823.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,720.56 : 55,039.52 = 21,898.50 : x
  2. Step 2: Convert to fraction form
    36,720.56/55,039.52 = 21,898.50/x
  3. Step 3: Cross multiply
    36,720.56x = 55,039.52 × 21,898.50
  4. Step 4: Simplify right side
    36,720.56x = 1,205,282,819.23
  5. Step 5: Solve for x
    x = 1,205,282,819.23/36,720.56
  6. Step 6: Final answer
    x = 32,823.11

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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.