Home / 52,745.31-79,124.16-18,540.63

Finding the Fourth Proportional to 52,745.31, 79,124.16 and 18,540.63

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Solution

The fourth proportional to 52,745.31, 79,124.16 and 18,540.63 is: 27,813.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,745.31 : 79,124.16 = 18,540.63 : x
  2. Step 2: Convert to fraction form
    52,745.31/79,124.16 = 18,540.63/x
  3. Step 3: Cross multiply
    52,745.31x = 79,124.16 × 18,540.63
  4. Step 4: Simplify right side
    52,745.31x = 1,467,011,774.62
  5. Step 5: Solve for x
    x = 1,467,011,774.62/52,745.31
  6. Step 6: Final answer
    x = 27,813.12

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1.5x scale

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.