Home / 31,809.84-47,661.68-14,014.02

Finding the Fourth Proportional to 31,809.84, 47,661.68 and 14,014.02

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Solution

The fourth proportional to 31,809.84, 47,661.68 and 14,014.02 is: 20,997.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,809.84 : 47,661.68 = 14,014.02 : x
  2. Step 2: Convert to fraction form
    31,809.84/47,661.68 = 14,014.02/x
  3. Step 3: Cross multiply
    31,809.84x = 47,661.68 × 14,014.02
  4. Step 4: Simplify right side
    31,809.84x = 667,931,736.75
  5. Step 5: Solve for x
    x = 667,931,736.75/31,809.84
  6. Step 6: Final answer
    x = 20,997.65

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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.