Home / 31,450.68-47,126.61-14,806.80

Finding the Fourth Proportional to 31,450.68, 47,126.61 and 14,806.80

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Solution

The fourth proportional to 31,450.68, 47,126.61 and 14,806.80 is: 22,186.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,450.68 : 47,126.61 = 14,806.80 : x
  2. Step 2: Convert to fraction form
    31,450.68/47,126.61 = 14,806.80/x
  3. Step 3: Cross multiply
    31,450.68x = 47,126.61 × 14,806.80
  4. Step 4: Simplify right side
    31,450.68x = 697,794,288.95
  5. Step 5: Solve for x
    x = 697,794,288.95/31,450.68
  6. Step 6: Final answer
    x = 22,186.94

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1.5x scale

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.