Home / 54,956.64-82,445.90-17,515.50

Finding the Fourth Proportional to 54,956.64, 82,445.90 and 17,515.50

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Solution

The fourth proportional to 54,956.64, 82,445.90 and 17,515.50 is: 26,276.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,956.64 : 82,445.90 = 17,515.50 : x
  2. Step 2: Convert to fraction form
    54,956.64/82,445.90 = 17,515.50/x
  3. Step 3: Cross multiply
    54,956.64x = 82,445.90 × 17,515.50
  4. Step 4: Simplify right side
    54,956.64x = 1,444,081,161.45
  5. Step 5: Solve for x
    x = 1,444,081,161.45/54,956.64
  6. Step 6: Final answer
    x = 26,276.74

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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.