Home / 40,821.28-56,330.31-22,919.02

Finding the Fourth Proportional to 40,821.28, 56,330.31 and 22,919.02

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Solution

The fourth proportional to 40,821.28, 56,330.31 and 22,919.02 is: 31,626.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,821.28 : 56,330.31 = 22,919.02 : x
  2. Step 2: Convert to fraction form
    40,821.28/56,330.31 = 22,919.02/x
  3. Step 3: Cross multiply
    40,821.28x = 56,330.31 × 22,919.02
  4. Step 4: Simplify right side
    40,821.28x = 1,291,035,501.50
  5. Step 5: Solve for x
    x = 1,291,035,501.50/40,821.28
  6. Step 6: Final answer
    x = 31,626.53

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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.