Home / 55,308.26-82,971.81-17,863.79

Finding the Fourth Proportional to 55,308.26, 82,971.81 and 17,863.79

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Solution

The fourth proportional to 55,308.26, 82,971.81 and 17,863.79 is: 26,798.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,308.26 : 82,971.81 = 17,863.79 : x
  2. Step 2: Convert to fraction form
    55,308.26/82,971.81 = 17,863.79/x
  3. Step 3: Cross multiply
    55,308.26x = 82,971.81 × 17,863.79
  4. Step 4: Simplify right side
    55,308.26x = 1,482,190,574.90
  5. Step 5: Solve for x
    x = 1,482,190,574.90/55,308.26
  6. Step 6: Final answer
    x = 26,798.72

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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.