Home / 66,600.76-99,901.20-19,852.48

Finding the Fourth Proportional to 66,600.76, 99,901.20 and 19,852.48

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Solution

The fourth proportional to 66,600.76, 99,901.20 and 19,852.48 is: 29,778.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,600.76 : 99,901.20 = 19,852.48 : x
  2. Step 2: Convert to fraction form
    66,600.76/99,901.20 = 19,852.48/x
  3. Step 3: Cross multiply
    66,600.76x = 99,901.20 × 19,852.48
  4. Step 4: Simplify right side
    66,600.76x = 1,983,286,574.98
  5. Step 5: Solve for x
    x = 1,983,286,574.98/66,600.76
  6. Step 6: Final answer
    x = 29,778.74

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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.