Home / 48,731.68-67,250.27-28,588.90

Finding the Fourth Proportional to 48,731.68, 67,250.27 and 28,588.90

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Solution

The fourth proportional to 48,731.68, 67,250.27 and 28,588.90 is: 39,453.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,731.68 : 67,250.27 = 28,588.90 : x
  2. Step 2: Convert to fraction form
    48,731.68/67,250.27 = 28,588.90/x
  3. Step 3: Cross multiply
    48,731.68x = 67,250.27 × 28,588.90
  4. Step 4: Simplify right side
    48,731.68x = 1,922,611,244.00
  5. Step 5: Solve for x
    x = 1,922,611,244.00/48,731.68
  6. Step 6: Final answer
    x = 39,453.01

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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.