Home / 48,772.84-73,187.34-20,690.68

Finding the Fourth Proportional to 48,772.84, 73,187.34 and 20,690.68

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Solution

The fourth proportional to 48,772.84, 73,187.34 and 20,690.68 is: 31,047.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,772.84 : 73,187.34 = 20,690.68 : x
  2. Step 2: Convert to fraction form
    48,772.84/73,187.34 = 20,690.68/x
  3. Step 3: Cross multiply
    48,772.84x = 73,187.34 × 20,690.68
  4. Step 4: Simplify right side
    48,772.84x = 1,514,295,831.99
  5. Step 5: Solve for x
    x = 1,514,295,831.99/48,772.84
  6. Step 6: Final answer
    x = 31,047.93

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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.