Home / 40,117.30-55,367.64-23,118.28

Finding the Fourth Proportional to 40,117.30, 55,367.64 and 23,118.28

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Solution

The fourth proportional to 40,117.30, 55,367.64 and 23,118.28 is: 31,906.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,117.30 : 55,367.64 = 23,118.28 : x
  2. Step 2: Convert to fraction form
    40,117.30/55,367.64 = 23,118.28/x
  3. Step 3: Cross multiply
    40,117.30x = 55,367.64 × 23,118.28
  4. Step 4: Simplify right side
    40,117.30x = 1,280,004,466.04
  5. Step 5: Solve for x
    x = 1,280,004,466.04/40,117.30
  6. Step 6: Final answer
    x = 31,906.55

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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.