Home / 31,882.06-47,910.57-30,070.50

Finding the Fourth Proportional to 31,882.06, 47,910.57 and 30,070.50

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Solution

The fourth proportional to 31,882.06, 47,910.57 and 30,070.50 is: 45,188.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,882.06 : 47,910.57 = 30,070.50 : x
  2. Step 2: Convert to fraction form
    31,882.06/47,910.57 = 30,070.50/x
  3. Step 3: Cross multiply
    31,882.06x = 47,910.57 × 30,070.50
  4. Step 4: Simplify right side
    31,882.06x = 1,440,694,795.19
  5. Step 5: Solve for x
    x = 1,440,694,795.19/31,882.06
  6. Step 6: Final answer
    x = 45,188.26

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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.