Home / 56,576.45-84,876.92-21,516.77

Finding the Fourth Proportional to 56,576.45, 84,876.92 and 21,516.77

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Solution

The fourth proportional to 56,576.45, 84,876.92 and 21,516.77 is: 32,279.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,576.45 : 84,876.92 = 21,516.77 : x
  2. Step 2: Convert to fraction form
    56,576.45/84,876.92 = 21,516.77/x
  3. Step 3: Cross multiply
    56,576.45x = 84,876.92 × 21,516.77
  4. Step 4: Simplify right side
    56,576.45x = 1,826,277,058.36
  5. Step 5: Solve for x
    x = 1,826,277,058.36/56,576.45
  6. Step 6: Final answer
    x = 32,279.81

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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.