Home / 56,579.51-84,880.19-21,516.44

Finding the Fourth Proportional to 56,579.51, 84,880.19 and 21,516.44

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Solution

The fourth proportional to 56,579.51, 84,880.19 and 21,516.44 is: 32,278.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,579.51 : 84,880.19 = 21,516.44 : x
  2. Step 2: Convert to fraction form
    56,579.51/84,880.19 = 21,516.44/x
  3. Step 3: Cross multiply
    56,579.51x = 84,880.19 × 21,516.44
  4. Step 4: Simplify right side
    56,579.51x = 1,826,319,144.71
  5. Step 5: Solve for x
    x = 1,826,319,144.71/56,579.51
  6. Step 6: Final answer
    x = 32,278.81

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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.