Home / 48,594.30-72,860.20-20,506.68

Finding the Fourth Proportional to 48,594.30, 72,860.20 and 20,506.68

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Solution

The fourth proportional to 48,594.30, 72,860.20 and 20,506.68 is: 30,746.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,594.30 : 72,860.20 = 20,506.68 : x
  2. Step 2: Convert to fraction form
    48,594.30/72,860.20 = 20,506.68/x
  3. Step 3: Cross multiply
    48,594.30x = 72,860.20 × 20,506.68
  4. Step 4: Simplify right side
    48,594.30x = 1,494,120,806.14
  5. Step 5: Solve for x
    x = 1,494,120,806.14/48,594.30
  6. Step 6: Final answer
    x = 30,746.83

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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.