Home / 56,456.92-84,655.12-19,004.56

Finding the Fourth Proportional to 56,456.92, 84,655.12 and 19,004.56

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Solution

The fourth proportional to 56,456.92, 84,655.12 and 19,004.56 is: 28,496.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,456.92 : 84,655.12 = 19,004.56 : x
  2. Step 2: Convert to fraction form
    56,456.92/84,655.12 = 19,004.56/x
  3. Step 3: Cross multiply
    56,456.92x = 84,655.12 × 19,004.56
  4. Step 4: Simplify right side
    56,456.92x = 1,608,833,307.35
  5. Step 5: Solve for x
    x = 1,608,833,307.35/56,456.92
  6. Step 6: Final answer
    x = 28,496.65

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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.