Home / 45,170.02-67,759.20-11,890.26

Finding the Fourth Proportional to 45,170.02, 67,759.20 and 11,890.26

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Solution

The fourth proportional to 45,170.02, 67,759.20 and 11,890.26 is: 17,836.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,170.02 : 67,759.20 = 11,890.26 : x
  2. Step 2: Convert to fraction form
    45,170.02/67,759.20 = 11,890.26/x
  3. Step 3: Cross multiply
    45,170.02x = 67,759.20 × 11,890.26
  4. Step 4: Simplify right side
    45,170.02x = 805,674,505.39
  5. Step 5: Solve for x
    x = 805,674,505.39/45,170.02
  6. Step 6: Final answer
    x = 17,836.49

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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.