Home / 54,531.98-81,798.10-16,581.60

Finding the Fourth Proportional to 54,531.98, 81,798.10 and 16,581.60

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Solution

The fourth proportional to 54,531.98, 81,798.10 and 16,581.60 is: 24,872.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,531.98 : 81,798.10 = 16,581.60 : x
  2. Step 2: Convert to fraction form
    54,531.98/81,798.10 = 16,581.60/x
  3. Step 3: Cross multiply
    54,531.98x = 81,798.10 × 16,581.60
  4. Step 4: Simplify right side
    54,531.98x = 1,356,343,374.96
  5. Step 5: Solve for x
    x = 1,356,343,374.96/54,531.98
  6. Step 6: Final answer
    x = 24,872.44

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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.