Home / 57,877.86-86,833.22-18,438.02

Finding the Fourth Proportional to 57,877.86, 86,833.22 and 18,438.02

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Solution

The fourth proportional to 57,877.86, 86,833.22 and 18,438.02 is: 27,662.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,877.86 : 86,833.22 = 18,438.02 : x
  2. Step 2: Convert to fraction form
    57,877.86/86,833.22 = 18,438.02/x
  3. Step 3: Cross multiply
    57,877.86x = 86,833.22 × 18,438.02
  4. Step 4: Simplify right side
    57,877.86x = 1,601,032,120.67
  5. Step 5: Solve for x
    x = 1,601,032,120.67/57,877.86
  6. Step 6: Final answer
    x = 27,662.25

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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.