Home / 57,318.51-85,995.05-17,879.79

Finding the Fourth Proportional to 57,318.51, 85,995.05 and 17,879.79

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Solution

The fourth proportional to 57,318.51, 85,995.05 and 17,879.79 is: 26,825.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,318.51 : 85,995.05 = 17,879.79 : x
  2. Step 2: Convert to fraction form
    57,318.51/85,995.05 = 17,879.79/x
  3. Step 3: Cross multiply
    57,318.51x = 85,995.05 × 17,879.79
  4. Step 4: Simplify right side
    57,318.51x = 1,537,573,345.64
  5. Step 5: Solve for x
    x = 1,537,573,345.64/57,318.51
  6. Step 6: Final answer
    x = 26,825.08

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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.