Home / 47,972.96-71,990.57-21,677.93

Finding the Fourth Proportional to 47,972.96, 71,990.57 and 21,677.93

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Solution

The fourth proportional to 47,972.96, 71,990.57 and 21,677.93 is: 32,530.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,972.96 : 71,990.57 = 21,677.93 : x
  2. Step 2: Convert to fraction form
    47,972.96/71,990.57 = 21,677.93/x
  3. Step 3: Cross multiply
    47,972.96x = 71,990.57 × 21,677.93
  4. Step 4: Simplify right side
    47,972.96x = 1,560,606,068.78
  5. Step 5: Solve for x
    x = 1,560,606,068.78/47,972.96
  6. Step 6: Final answer
    x = 32,530.96

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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.