Home / 40,288.56-55,595.28-22,382.64

Finding the Fourth Proportional to 40,288.56, 55,595.28 and 22,382.64

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Solution

The fourth proportional to 40,288.56, 55,595.28 and 22,382.64 is: 30,886.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,288.56 : 55,595.28 = 22,382.64 : x
  2. Step 2: Convert to fraction form
    40,288.56/55,595.28 = 22,382.64/x
  3. Step 3: Cross multiply
    40,288.56x = 55,595.28 × 22,382.64
  4. Step 4: Simplify right side
    40,288.56x = 1,244,369,137.94
  5. Step 5: Solve for x
    x = 1,244,369,137.94/40,288.56
  6. Step 6: Final answer
    x = 30,886.41

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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.