Home / 56,944.08-85,387.45-18,979.91

Finding the Fourth Proportional to 56,944.08, 85,387.45 and 18,979.91

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Solution

The fourth proportional to 56,944.08, 85,387.45 and 18,979.91 is: 28,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,944.08 : 85,387.45 = 18,979.91 : x
  2. Step 2: Convert to fraction form
    56,944.08/85,387.45 = 18,979.91/x
  3. Step 3: Cross multiply
    56,944.08x = 85,387.45 × 18,979.91
  4. Step 4: Simplify right side
    56,944.08x = 1,620,645,594.29
  5. Step 5: Solve for x
    x = 1,620,645,594.29/56,944.08
  6. Step 6: Final answer
    x = 28,460.30

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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.