Home / 48,726.90-73,105.20-20,632.32

Finding the Fourth Proportional to 48,726.90, 73,105.20 and 20,632.32

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Solution

The fourth proportional to 48,726.90, 73,105.20 and 20,632.32 is: 30,954.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,726.90 : 73,105.20 = 20,632.32 : x
  2. Step 2: Convert to fraction form
    48,726.90/73,105.20 = 20,632.32/x
  3. Step 3: Cross multiply
    48,726.90x = 73,105.20 × 20,632.32
  4. Step 4: Simplify right side
    48,726.90x = 1,508,329,880.06
  5. Step 5: Solve for x
    x = 1,508,329,880.06/48,726.90
  6. Step 6: Final answer
    x = 30,954.77

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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.