Home / 31,828.68-47,716.29-14,056.47

Finding the Fourth Proportional to 31,828.68, 47,716.29 and 14,056.47

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Solution

The fourth proportional to 31,828.68, 47,716.29 and 14,056.47 is: 21,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,828.68 : 47,716.29 = 14,056.47 : x
  2. Step 2: Convert to fraction form
    31,828.68/47,716.29 = 14,056.47/x
  3. Step 3: Cross multiply
    31,828.68x = 47,716.29 × 14,056.47
  4. Step 4: Simplify right side
    31,828.68x = 670,722,598.90
  5. Step 5: Solve for x
    x = 670,722,598.90/31,828.68
  6. Step 6: Final answer
    x = 21,072.90

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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.