Home / 30,644.06-45,885.87-20,080.85

Finding the Fourth Proportional to 30,644.06, 45,885.87 and 20,080.85

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Solution

The fourth proportional to 30,644.06, 45,885.87 and 20,080.85 is: 30,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,644.06 : 45,885.87 = 20,080.85 : x
  2. Step 2: Convert to fraction form
    30,644.06/45,885.87 = 20,080.85/x
  3. Step 3: Cross multiply
    30,644.06x = 45,885.87 × 20,080.85
  4. Step 4: Simplify right side
    30,644.06x = 921,427,043.16
  5. Step 5: Solve for x
    x = 921,427,043.16/30,644.06
  6. Step 6: Final answer
    x = 30,068.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.