Home / 48,619.68-72,942.48-17,455.20

Finding the Fourth Proportional to 48,619.68, 72,942.48 and 17,455.20

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Solution

The fourth proportional to 48,619.68, 72,942.48 and 17,455.20 is: 26,187.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,619.68 : 72,942.48 = 17,455.20 : x
  2. Step 2: Convert to fraction form
    48,619.68/72,942.48 = 17,455.20/x
  3. Step 3: Cross multiply
    48,619.68x = 72,942.48 × 17,455.20
  4. Step 4: Simplify right side
    48,619.68x = 1,273,225,576.90
  5. Step 5: Solve for x
    x = 1,273,225,576.90/48,619.68
  6. Step 6: Final answer
    x = 26,187.45

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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.