Home / 40,539.08-55,940.24-22,630.79

Finding the Fourth Proportional to 40,539.08, 55,940.24 and 22,630.79

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Solution

The fourth proportional to 40,539.08, 55,940.24 and 22,630.79 is: 31,228.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,539.08 : 55,940.24 = 22,630.79 : x
  2. Step 2: Convert to fraction form
    40,539.08/55,940.24 = 22,630.79/x
  3. Step 3: Cross multiply
    40,539.08x = 55,940.24 × 22,630.79
  4. Step 4: Simplify right side
    40,539.08x = 1,265,971,431.13
  5. Step 5: Solve for x
    x = 1,265,971,431.13/40,539.08
  6. Step 6: Final answer
    x = 31,228.42

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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.