Home / 40,045.76-55,264.44-22,141.36

Finding the Fourth Proportional to 40,045.76, 55,264.44 and 22,141.36

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Solution

The fourth proportional to 40,045.76, 55,264.44 and 22,141.36 is: 30,555.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,045.76 : 55,264.44 = 22,141.36 : x
  2. Step 2: Convert to fraction form
    40,045.76/55,264.44 = 22,141.36/x
  3. Step 3: Cross multiply
    40,045.76x = 55,264.44 × 22,141.36
  4. Step 4: Simplify right side
    40,045.76x = 1,223,629,861.24
  5. Step 5: Solve for x
    x = 1,223,629,861.24/40,045.76
  6. Step 6: Final answer
    x = 30,555.79

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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.