Home / 56,372.27-84,568.10-18,935.91

Finding the Fourth Proportional to 56,372.27, 84,568.10 and 18,935.91

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Solution

The fourth proportional to 56,372.27, 84,568.10 and 18,935.91 is: 28,407.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,372.27 : 84,568.10 = 18,935.91 : x
  2. Step 2: Convert to fraction form
    56,372.27/84,568.10 = 18,935.91/x
  3. Step 3: Cross multiply
    56,372.27x = 84,568.10 × 18,935.91
  4. Step 4: Simplify right side
    56,372.27x = 1,601,373,835.79
  5. Step 5: Solve for x
    x = 1,601,373,835.79/56,372.27
  6. Step 6: Final answer
    x = 28,407.12

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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.