Home / 56,979.08-85,476.72-17,539.48

Finding the Fourth Proportional to 56,979.08, 85,476.72 and 17,539.48

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Solution

The fourth proportional to 56,979.08, 85,476.72 and 17,539.48 is: 26,311.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,979.08 : 85,476.72 = 17,539.48 : x
  2. Step 2: Convert to fraction form
    56,979.08/85,476.72 = 17,539.48/x
  3. Step 3: Cross multiply
    56,979.08x = 85,476.72 × 17,539.48
  4. Step 4: Simplify right side
    56,979.08x = 1,499,217,220.91
  5. Step 5: Solve for x
    x = 1,499,217,220.91/56,979.08
  6. Step 6: Final answer
    x = 26,311.71

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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.