Home / 48,910.14-73,374.69-20,829.72

Finding the Fourth Proportional to 48,910.14, 73,374.69 and 20,829.72

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Solution

The fourth proportional to 48,910.14, 73,374.69 and 20,829.72 is: 31,248.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,910.14 : 73,374.69 = 20,829.72 : x
  2. Step 2: Convert to fraction form
    48,910.14/73,374.69 = 20,829.72/x
  3. Step 3: Cross multiply
    48,910.14x = 73,374.69 × 20,829.72
  4. Step 4: Simplify right side
    48,910.14x = 1,528,374,247.79
  5. Step 5: Solve for x
    x = 1,528,374,247.79/48,910.14
  6. Step 6: Final answer
    x = 31,248.62

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1.5x scale

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.