Home / 61,311.40-91,997.88-28,028.50

Finding the Fourth Proportional to 61,311.40, 91,997.88 and 28,028.50

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Solution

The fourth proportional to 61,311.40, 91,997.88 and 28,028.50 is: 42,056.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,311.40 : 91,997.88 = 28,028.50 : x
  2. Step 2: Convert to fraction form
    61,311.40/91,997.88 = 28,028.50/x
  3. Step 3: Cross multiply
    61,311.40x = 91,997.88 × 28,028.50
  4. Step 4: Simplify right side
    61,311.40x = 2,578,562,244.48
  5. Step 5: Solve for x
    x = 2,578,562,244.48/61,311.40
  6. Step 6: Final answer
    x = 42,056.82

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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.