Home / 66,785.02-100,192.92-20,038.84

Finding the Fourth Proportional to 66,785.02, 100,192.92 and 20,038.84

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Solution

The fourth proportional to 66,785.02, 100,192.92 and 20,038.84 is: 30,062.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,785.02 : 100,192.92 = 20,038.84 : x
  2. Step 2: Convert to fraction form
    66,785.02/100,192.92 = 20,038.84/x
  3. Step 3: Cross multiply
    66,785.02x = 100,192.92 × 20,038.84
  4. Step 4: Simplify right side
    66,785.02x = 2,007,749,893.01
  5. Step 5: Solve for x
    x = 2,007,749,893.01/66,785.02
  6. Step 6: Final answer
    x = 30,062.88

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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.