Home / 39,873.26-59,811.30-21,127.98

Finding the Fourth Proportional to 39,873.26, 59,811.30 and 21,127.98

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Solution

The fourth proportional to 39,873.26, 59,811.30 and 21,127.98 is: 31,692.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,873.26 : 59,811.30 = 21,127.98 : x
  2. Step 2: Convert to fraction form
    39,873.26/59,811.30 = 21,127.98/x
  3. Step 3: Cross multiply
    39,873.26x = 59,811.30 × 21,127.98
  4. Step 4: Simplify right side
    39,873.26x = 1,263,691,950.17
  5. Step 5: Solve for x
    x = 1,263,691,950.17/39,873.26
  6. Step 6: Final answer
    x = 31,692.72

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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.