Home / 48,537.18-72,833.58-20,455.02

Finding the Fourth Proportional to 48,537.18, 72,833.58 and 20,455.02

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Solution

The fourth proportional to 48,537.18, 72,833.58 and 20,455.02 is: 30,694.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,537.18 : 72,833.58 = 20,455.02 : x
  2. Step 2: Convert to fraction form
    48,537.18/72,833.58 = 20,455.02/x
  3. Step 3: Cross multiply
    48,537.18x = 72,833.58 × 20,455.02
  4. Step 4: Simplify right side
    48,537.18x = 1,489,812,335.57
  5. Step 5: Solve for x
    x = 1,489,812,335.57/48,537.18
  6. Step 6: Final answer
    x = 30,694.25

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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.