Home / 53,600.40-80,408.52-18,530.64

Finding the Fourth Proportional to 53,600.40, 80,408.52 and 18,530.64

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Solution

The fourth proportional to 53,600.40, 80,408.52 and 18,530.64 is: 27,798.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,600.40 : 80,408.52 = 18,530.64 : x
  2. Step 2: Convert to fraction form
    53,600.40/80,408.52 = 18,530.64/x
  3. Step 3: Cross multiply
    53,600.40x = 80,408.52 × 18,530.64
  4. Step 4: Simplify right side
    53,600.40x = 1,490,021,337.05
  5. Step 5: Solve for x
    x = 1,490,021,337.05/53,600.40
  6. Step 6: Final answer
    x = 27,798.70

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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.