Home / 54,420.60-81,631.44-16,470.18

Finding the Fourth Proportional to 54,420.60, 81,631.44 and 16,470.18

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Solution

The fourth proportional to 54,420.60, 81,631.44 and 16,470.18 is: 24,705.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,420.60 : 81,631.44 = 16,470.18 : x
  2. Step 2: Convert to fraction form
    54,420.60/81,631.44 = 16,470.18/x
  3. Step 3: Cross multiply
    54,420.60x = 81,631.44 × 16,470.18
  4. Step 4: Simplify right side
    54,420.60x = 1,344,484,510.46
  5. Step 5: Solve for x
    x = 1,344,484,510.46/54,420.60
  6. Step 6: Final answer
    x = 24,705.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.