Home / 56,516.92-84,774.76-13,822.72

Finding the Fourth Proportional to 56,516.92, 84,774.76 and 13,822.72

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Solution

The fourth proportional to 56,516.92, 84,774.76 and 13,822.72 is: 20,733.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,516.92 : 84,774.76 = 13,822.72 : x
  2. Step 2: Convert to fraction form
    56,516.92/84,774.76 = 13,822.72/x
  3. Step 3: Cross multiply
    56,516.92x = 84,774.76 × 13,822.72
  4. Step 4: Simplify right side
    56,516.92x = 1,171,817,770.55
  5. Step 5: Solve for x
    x = 1,171,817,770.55/56,516.92
  6. Step 6: Final answer
    x = 20,733.93

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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.