Home / 66,790.42-100,156.26-20,032.36

Finding the Fourth Proportional to 66,790.42, 100,156.26 and 20,032.36

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Solution

The fourth proportional to 66,790.42, 100,156.26 and 20,032.36 is: 30,039.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,790.42 : 100,156.26 = 20,032.36 : x
  2. Step 2: Convert to fraction form
    66,790.42/100,156.26 = 20,032.36/x
  3. Step 3: Cross multiply
    66,790.42x = 100,156.26 × 20,032.36
  4. Step 4: Simplify right side
    66,790.42x = 2,006,366,256.57
  5. Step 5: Solve for x
    x = 2,006,366,256.57/66,790.42
  6. Step 6: Final answer
    x = 30,039.73

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1.5x scale

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.