Home / 45,037.12-67,555.71-11,757.10

Finding the Fourth Proportional to 45,037.12, 67,555.71 and 11,757.10

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Solution

The fourth proportional to 45,037.12, 67,555.71 and 11,757.10 is: 17,635.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,037.12 : 67,555.71 = 11,757.10 : x
  2. Step 2: Convert to fraction form
    45,037.12/67,555.71 = 11,757.10/x
  3. Step 3: Cross multiply
    45,037.12x = 67,555.71 × 11,757.10
  4. Step 4: Simplify right side
    45,037.12x = 794,259,238.04
  5. Step 5: Solve for x
    x = 794,259,238.04/45,037.12
  6. Step 6: Final answer
    x = 17,635.66

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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.