Home / 61,986.24-92,992.48-20,432.32

Finding the Fourth Proportional to 61,986.24, 92,992.48 and 20,432.32

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Solution

The fourth proportional to 61,986.24, 92,992.48 and 20,432.32 is: 30,652.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,986.24 : 92,992.48 = 20,432.32 : x
  2. Step 2: Convert to fraction form
    61,986.24/92,992.48 = 20,432.32/x
  3. Step 3: Cross multiply
    61,986.24x = 92,992.48 × 20,432.32
  4. Step 4: Simplify right side
    61,986.24x = 1,900,052,108.95
  5. Step 5: Solve for x
    x = 1,900,052,108.95/61,986.24
  6. Step 6: Final answer
    x = 30,652.80

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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.