Home / 31,493.32-47,251.49-14,634.11

Finding the Fourth Proportional to 31,493.32, 47,251.49 and 14,634.11

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Solution

The fourth proportional to 31,493.32, 47,251.49 and 14,634.11 is: 21,956.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,493.32 : 47,251.49 = 14,634.11 : x
  2. Step 2: Convert to fraction form
    31,493.32/47,251.49 = 14,634.11/x
  3. Step 3: Cross multiply
    31,493.32x = 47,251.49 × 14,634.11
  4. Step 4: Simplify right side
    31,493.32x = 691,483,547.28
  5. Step 5: Solve for x
    x = 691,483,547.28/31,493.32
  6. Step 6: Final answer
    x = 21,956.52

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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.