Home / 66,784.02-100,191.42-20,037.84

Finding the Fourth Proportional to 66,784.02, 100,191.42 and 20,037.84

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Solution

The fourth proportional to 66,784.02, 100,191.42 and 20,037.84 is: 30,061.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,784.02 : 100,191.42 = 20,037.84 : x
  2. Step 2: Convert to fraction form
    66,784.02/100,191.42 = 20,037.84/x
  3. Step 3: Cross multiply
    66,784.02x = 100,191.42 × 20,037.84
  4. Step 4: Simplify right side
    66,784.02x = 2,007,619,643.33
  5. Step 5: Solve for x
    x = 2,007,619,643.33/66,784.02
  6. Step 6: Final answer
    x = 30,061.38

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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.