Home / 40,190.72-55,463.04-22,285.76

Finding the Fourth Proportional to 40,190.72, 55,463.04 and 22,285.76

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Solution

The fourth proportional to 40,190.72, 55,463.04 and 22,285.76 is: 30,754.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,190.72 : 55,463.04 = 22,285.76 : x
  2. Step 2: Convert to fraction form
    40,190.72/55,463.04 = 22,285.76/x
  3. Step 3: Cross multiply
    40,190.72x = 55,463.04 × 22,285.76
  4. Step 4: Simplify right side
    40,190.72x = 1,236,035,998.31
  5. Step 5: Solve for x
    x = 1,236,035,998.31/40,190.72
  6. Step 6: Final answer
    x = 30,754.26

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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.