Home / 40,276-55,582.44-22,372.36

Finding the Fourth Proportional to 40,276, 55,582.44 and 22,372.36

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Solution

The fourth proportional to 40,276, 55,582.44 and 22,372.36 is: 30,874.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,276 : 55,582.44 = 22,372.36 : x
  2. Step 2: Convert to fraction form
    40,276/55,582.44 = 22,372.36/x
  3. Step 3: Cross multiply
    40,276x = 55,582.44 × 22,372.36
  4. Step 4: Simplify right side
    40,276x = 1,243,510,357.36
  5. Step 5: Solve for x
    x = 1,243,510,357.36/40,276
  6. Step 6: Final answer
    x = 30,874.72

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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.