Home / 54,319.50-81,475.56-14,877

Finding the Fourth Proportional to 54,319.50, 81,475.56 and 14,877

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Solution

The fourth proportional to 54,319.50, 81,475.56 and 14,877 is: 22,314.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,319.50 : 81,475.56 = 14,877 : x
  2. Step 2: Convert to fraction form
    54,319.50/81,475.56 = 14,877/x
  3. Step 3: Cross multiply
    54,319.50x = 81,475.56 × 14,877
  4. Step 4: Simplify right side
    54,319.50x = 1,212,111,906.12
  5. Step 5: Solve for x
    x = 1,212,111,906.12/54,319.50
  6. Step 6: Final answer
    x = 22,314.49

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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.