Home / 40,660.23-56,111.88-22,757.21

Finding the Fourth Proportional to 40,660.23, 56,111.88 and 22,757.21

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Solution

The fourth proportional to 40,660.23, 56,111.88 and 22,757.21 is: 31,405.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,660.23 : 56,111.88 = 22,757.21 : x
  2. Step 2: Convert to fraction form
    40,660.23/56,111.88 = 22,757.21/x
  3. Step 3: Cross multiply
    40,660.23x = 56,111.88 × 22,757.21
  4. Step 4: Simplify right side
    40,660.23x = 1,276,949,556.10
  5. Step 5: Solve for x
    x = 1,276,949,556.10/40,660.23
  6. Step 6: Final answer
    x = 31,405.37

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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.