Home / 31,584.06-47,376.27-8,210.52

Finding the Fourth Proportional to 31,584.06, 47,376.27 and 8,210.52

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Solution

The fourth proportional to 31,584.06, 47,376.27 and 8,210.52 is: 12,315.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,584.06 : 47,376.27 = 8,210.52 : x
  2. Step 2: Convert to fraction form
    31,584.06/47,376.27 = 8,210.52/x
  3. Step 3: Cross multiply
    31,584.06x = 47,376.27 × 8,210.52
  4. Step 4: Simplify right side
    31,584.06x = 388,983,812.36
  5. Step 5: Solve for x
    x = 388,983,812.36/31,584.06
  6. Step 6: Final answer
    x = 12,315.83

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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.