Home / 56,300.45-84,462.71-20,761.86

Finding the Fourth Proportional to 56,300.45, 84,462.71 and 20,761.86

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Solution

The fourth proportional to 56,300.45, 84,462.71 and 20,761.86 is: 31,147.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,300.45 : 84,462.71 = 20,761.86 : x
  2. Step 2: Convert to fraction form
    56,300.45/84,462.71 = 20,761.86/x
  3. Step 3: Cross multiply
    56,300.45x = 84,462.71 × 20,761.86
  4. Step 4: Simplify right side
    56,300.45x = 1,753,602,856.43
  5. Step 5: Solve for x
    x = 1,753,602,856.43/56,300.45
  6. Step 6: Final answer
    x = 31,147.23

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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.