Home / 48,731.74-67,250.36-28,588.96

Finding the Fourth Proportional to 48,731.74, 67,250.36 and 28,588.96

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Solution

The fourth proportional to 48,731.74, 67,250.36 and 28,588.96 is: 39,453.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,731.74 : 67,250.36 = 28,588.96 : x
  2. Step 2: Convert to fraction form
    48,731.74/67,250.36 = 28,588.96/x
  3. Step 3: Cross multiply
    48,731.74x = 67,250.36 × 28,588.96
  4. Step 4: Simplify right side
    48,731.74x = 1,922,618,091.62
  5. Step 5: Solve for x
    x = 1,922,618,091.62/48,731.74
  6. Step 6: Final answer
    x = 39,453.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.