Home / 57,913.32-86,814.50-18,444.86

Finding the Fourth Proportional to 57,913.32, 86,814.50 and 18,444.86

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Solution

The fourth proportional to 57,913.32, 86,814.50 and 18,444.86 is: 27,649.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,913.32 : 86,814.50 = 18,444.86 : x
  2. Step 2: Convert to fraction form
    57,913.32/86,814.50 = 18,444.86/x
  3. Step 3: Cross multiply
    57,913.32x = 86,814.50 × 18,444.86
  4. Step 4: Simplify right side
    57,913.32x = 1,601,280,772.17
  5. Step 5: Solve for x
    x = 1,601,280,772.17/57,913.32
  6. Step 6: Final answer
    x = 27,649.61

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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.