Home / 54,318.48-81,480.15-14,874.72

Finding the Fourth Proportional to 54,318.48, 81,480.15 and 14,874.72

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Solution

The fourth proportional to 54,318.48, 81,480.15 and 14,874.72 is: 22,312.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,318.48 : 81,480.15 = 14,874.72 : x
  2. Step 2: Convert to fraction form
    54,318.48/81,480.15 = 14,874.72/x
  3. Step 3: Cross multiply
    54,318.48x = 81,480.15 × 14,874.72
  4. Step 4: Simplify right side
    54,318.48x = 1,211,994,416.81
  5. Step 5: Solve for x
    x = 1,211,994,416.81/54,318.48
  6. Step 6: Final answer
    x = 22,312.75

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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.