Home / 31,401.80-47,028.84-14,725.88

Finding the Fourth Proportional to 31,401.80, 47,028.84 and 14,725.88

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Solution

The fourth proportional to 31,401.80, 47,028.84 and 14,725.88 is: 22,054.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,401.80 : 47,028.84 = 14,725.88 : x
  2. Step 2: Convert to fraction form
    31,401.80/47,028.84 = 14,725.88/x
  3. Step 3: Cross multiply
    31,401.80x = 47,028.84 × 14,725.88
  4. Step 4: Simplify right side
    31,401.80x = 692,541,054.38
  5. Step 5: Solve for x
    x = 692,541,054.38/31,401.80
  6. Step 6: Final answer
    x = 22,054.18

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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.