Home / 40,029.12-55,242-23,258.88

Finding the Fourth Proportional to 40,029.12, 55,242 and 23,258.88

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Solution

The fourth proportional to 40,029.12, 55,242 and 23,258.88 is: 32,098.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,029.12 : 55,242 = 23,258.88 : x
  2. Step 2: Convert to fraction form
    40,029.12/55,242 = 23,258.88/x
  3. Step 3: Cross multiply
    40,029.12x = 55,242 × 23,258.88
  4. Step 4: Simplify right side
    40,029.12x = 1,284,867,048.96
  5. Step 5: Solve for x
    x = 1,284,867,048.96/40,029.12
  6. Step 6: Final answer
    x = 32,098.31

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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.