Home / 40,276.36-55,582.38-22,370.50

Finding the Fourth Proportional to 40,276.36, 55,582.38 and 22,370.50

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Solution

The fourth proportional to 40,276.36, 55,582.38 and 22,370.50 is: 30,871.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,276.36 : 55,582.38 = 22,370.50 : x
  2. Step 2: Convert to fraction form
    40,276.36/55,582.38 = 22,370.50/x
  3. Step 3: Cross multiply
    40,276.36x = 55,582.38 × 22,370.50
  4. Step 4: Simplify right side
    40,276.36x = 1,243,405,631.79
  5. Step 5: Solve for x
    x = 1,243,405,631.79/40,276.36
  6. Step 6: Final answer
    x = 30,871.85

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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.