Home / 40,807.37-61,079.83-21,059.03

Finding the Fourth Proportional to 40,807.37, 61,079.83 and 21,059.03

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Solution

The fourth proportional to 40,807.37, 61,079.83 and 21,059.03 is: 31,520.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,807.37 : 61,079.83 = 21,059.03 : x
  2. Step 2: Convert to fraction form
    40,807.37/61,079.83 = 21,059.03/x
  3. Step 3: Cross multiply
    40,807.37x = 61,079.83 × 21,059.03
  4. Step 4: Simplify right side
    40,807.37x = 1,286,281,972.36
  5. Step 5: Solve for x
    x = 1,286,281,972.36/40,807.37
  6. Step 6: Final answer
    x = 31,520.83

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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.