Home / 40,279.28-55,582.36-22,372.76

Finding the Fourth Proportional to 40,279.28, 55,582.36 and 22,372.76

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Solution

The fourth proportional to 40,279.28, 55,582.36 and 22,372.76 is: 30,872.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,279.28 : 55,582.36 = 22,372.76 : x
  2. Step 2: Convert to fraction form
    40,279.28/55,582.36 = 22,372.76/x
  3. Step 3: Cross multiply
    40,279.28x = 55,582.36 × 22,372.76
  4. Step 4: Simplify right side
    40,279.28x = 1,243,530,800.51
  5. Step 5: Solve for x
    x = 1,243,530,800.51/40,279.28
  6. Step 6: Final answer
    x = 30,872.72

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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.