Home / 40,211.57-55,455.66-25,105.64

Finding the Fourth Proportional to 40,211.57, 55,455.66 and 25,105.64

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Solution

The fourth proportional to 40,211.57, 55,455.66 and 25,105.64 is: 34,623.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,211.57 : 55,455.66 = 25,105.64 : x
  2. Step 2: Convert to fraction form
    40,211.57/55,455.66 = 25,105.64/x
  3. Step 3: Cross multiply
    40,211.57x = 55,455.66 × 25,105.64
  4. Step 4: Simplify right side
    40,211.57x = 1,392,249,558.64
  5. Step 5: Solve for x
    x = 1,392,249,558.64/40,211.57
  6. Step 6: Final answer
    x = 34,623.11

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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.