Home / 45,037.42-67,519.65-18,761.83

Finding the Fourth Proportional to 45,037.42, 67,519.65 and 18,761.83

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Solution

The fourth proportional to 45,037.42, 67,519.65 and 18,761.83 is: 28,127.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,037.42 : 67,519.65 = 18,761.83 : x
  2. Step 2: Convert to fraction form
    45,037.42/67,519.65 = 18,761.83/x
  3. Step 3: Cross multiply
    45,037.42x = 67,519.65 × 18,761.83
  4. Step 4: Simplify right side
    45,037.42x = 1,266,792,194.96
  5. Step 5: Solve for x
    x = 1,266,792,194.96/45,037.42
  6. Step 6: Final answer
    x = 28,127.55

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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.