Home / 66,778.02-100,182.42-20,031.84

Finding the Fourth Proportional to 66,778.02, 100,182.42 and 20,031.84

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Solution

The fourth proportional to 66,778.02, 100,182.42 and 20,031.84 is: 30,052.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,778.02 : 100,182.42 = 20,031.84 : x
  2. Step 2: Convert to fraction form
    66,778.02/100,182.42 = 20,031.84/x
  3. Step 3: Cross multiply
    66,778.02x = 100,182.42 × 20,031.84
  4. Step 4: Simplify right side
    66,778.02x = 2,006,838,208.25
  5. Step 5: Solve for x
    x = 2,006,838,208.25/66,778.02
  6. Step 6: Final answer
    x = 30,052.38

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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.