Home / 40,455.45-55,828.54-22,550.05

Finding the Fourth Proportional to 40,455.45, 55,828.54 and 22,550.05

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Solution

The fourth proportional to 40,455.45, 55,828.54 and 22,550.05 is: 31,119.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,455.45 : 55,828.54 = 22,550.05 : x
  2. Step 2: Convert to fraction form
    40,455.45/55,828.54 = 22,550.05/x
  3. Step 3: Cross multiply
    40,455.45x = 55,828.54 × 22,550.05
  4. Step 4: Simplify right side
    40,455.45x = 1,258,936,152.36
  5. Step 5: Solve for x
    x = 1,258,936,152.36/40,455.45
  6. Step 6: Final answer
    x = 31,119.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.