Home / 54,785.26-82,214.80-21,501.39

Finding the Fourth Proportional to 54,785.26, 82,214.80 and 21,501.39

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Solution

The fourth proportional to 54,785.26, 82,214.80 and 21,501.39 is: 32,266.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,785.26 : 82,214.80 = 21,501.39 : x
  2. Step 2: Convert to fraction form
    54,785.26/82,214.80 = 21,501.39/x
  3. Step 3: Cross multiply
    54,785.26x = 82,214.80 × 21,501.39
  4. Step 4: Simplify right side
    54,785.26x = 1,767,732,733.12
  5. Step 5: Solve for x
    x = 1,767,732,733.12/54,785.26
  6. Step 6: Final answer
    x = 32,266.57

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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.