Home / 31,927.83-47,902.68-12,212.02

Finding the Fourth Proportional to 31,927.83, 47,902.68 and 12,212.02

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Solution

The fourth proportional to 31,927.83, 47,902.68 and 12,212.02 is: 18,322.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,927.83 : 47,902.68 = 12,212.02 : x
  2. Step 2: Convert to fraction form
    31,927.83/47,902.68 = 12,212.02/x
  3. Step 3: Cross multiply
    31,927.83x = 47,902.68 × 12,212.02
  4. Step 4: Simplify right side
    31,927.83x = 584,988,711.64
  5. Step 5: Solve for x
    x = 584,988,711.64/31,927.83
  6. Step 6: Final answer
    x = 18,322.22

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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.