Home / 31,642.84-47,460.18-14,108.62

Finding the Fourth Proportional to 31,642.84, 47,460.18 and 14,108.62

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Solution

The fourth proportional to 31,642.84, 47,460.18 and 14,108.62 is: 21,161.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,642.84 : 47,460.18 = 14,108.62 : x
  2. Step 2: Convert to fraction form
    31,642.84/47,460.18 = 14,108.62/x
  3. Step 3: Cross multiply
    31,642.84x = 47,460.18 × 14,108.62
  4. Step 4: Simplify right side
    31,642.84x = 669,597,644.75
  5. Step 5: Solve for x
    x = 669,597,644.75/31,642.84
  6. Step 6: Final answer
    x = 21,161.11

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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.