Home / 61,682.18-85,121.50-33,387.86

Finding the Fourth Proportional to 61,682.18, 85,121.50 and 33,387.86

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Solution

The fourth proportional to 61,682.18, 85,121.50 and 33,387.86 is: 46,075.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,682.18 : 85,121.50 = 33,387.86 : x
  2. Step 2: Convert to fraction form
    61,682.18/85,121.50 = 33,387.86/x
  3. Step 3: Cross multiply
    61,682.18x = 85,121.50 × 33,387.86
  4. Step 4: Simplify right side
    61,682.18x = 2,842,024,724.99
  5. Step 5: Solve for x
    x = 2,842,024,724.99/61,682.18
  6. Step 6: Final answer
    x = 46,075.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.