Home / 66,194.24-99,295.04-21,819.20

Finding the Fourth Proportional to 66,194.24, 99,295.04 and 21,819.20

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Solution

The fourth proportional to 66,194.24, 99,295.04 and 21,819.20 is: 32,730.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,194.24 : 99,295.04 = 21,819.20 : x
  2. Step 2: Convert to fraction form
    66,194.24/99,295.04 = 21,819.20/x
  3. Step 3: Cross multiply
    66,194.24x = 99,295.04 × 21,819.20
  4. Step 4: Simplify right side
    66,194.24x = 2,166,538,336.77
  5. Step 5: Solve for x
    x = 2,166,538,336.77/66,194.24
  6. Step 6: Final answer
    x = 32,730.01

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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.