Home / 40,003.91-55,203.26-23,005.45

Finding the Fourth Proportional to 40,003.91, 55,203.26 and 23,005.45

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Solution

The fourth proportional to 40,003.91, 55,203.26 and 23,005.45 is: 31,746.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,003.91 : 55,203.26 = 23,005.45 : x
  2. Step 2: Convert to fraction form
    40,003.91/55,203.26 = 23,005.45/x
  3. Step 3: Cross multiply
    40,003.91x = 55,203.26 × 23,005.45
  4. Step 4: Simplify right side
    40,003.91x = 1,269,975,446.72
  5. Step 5: Solve for x
    x = 1,269,975,446.72/40,003.91
  6. Step 6: Final answer
    x = 31,746.29

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1.5x scale

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.