Home / 31,574.08-47,348.72-11,841.88

Finding the Fourth Proportional to 31,574.08, 47,348.72 and 11,841.88

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Solution

The fourth proportional to 31,574.08, 47,348.72 and 11,841.88 is: 17,758.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,574.08 : 47,348.72 = 11,841.88 : x
  2. Step 2: Convert to fraction form
    31,574.08/47,348.72 = 11,841.88/x
  3. Step 3: Cross multiply
    31,574.08x = 47,348.72 × 11,841.88
  4. Step 4: Simplify right side
    31,574.08x = 560,697,860.39
  5. Step 5: Solve for x
    x = 560,697,860.39/31,574.08
  6. Step 6: Final answer
    x = 17,758.17

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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.