Home / 48,991.74-73,499.94-13,931.38

Finding the Fourth Proportional to 48,991.74, 73,499.94 and 13,931.38

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Solution

The fourth proportional to 48,991.74, 73,499.94 and 13,931.38 is: 20,900.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,991.74 : 73,499.94 = 13,931.38 : x
  2. Step 2: Convert to fraction form
    48,991.74/73,499.94 = 13,931.38/x
  3. Step 3: Cross multiply
    48,991.74x = 73,499.94 × 13,931.38
  4. Step 4: Simplify right side
    48,991.74x = 1,023,955,594.12
  5. Step 5: Solve for x
    x = 1,023,955,594.12/48,991.74
  6. Step 6: Final answer
    x = 20,900.58

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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.