Home / 53,318.52-80,026.25-28,379.43

Finding the Fourth Proportional to 53,318.52, 80,026.25 and 28,379.43

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Solution

The fourth proportional to 53,318.52, 80,026.25 and 28,379.43 is: 42,594.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,318.52 : 80,026.25 = 28,379.43 : x
  2. Step 2: Convert to fraction form
    53,318.52/80,026.25 = 28,379.43/x
  3. Step 3: Cross multiply
    53,318.52x = 80,026.25 × 28,379.43
  4. Step 4: Simplify right side
    53,318.52x = 2,271,099,218.14
  5. Step 5: Solve for x
    x = 2,271,099,218.14/53,318.52
  6. Step 6: Final answer
    x = 42,594.94

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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.