Home / 31,767.21-47,641.10-12,048.57

Finding the Fourth Proportional to 31,767.21, 47,641.10 and 12,048.57

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Solution

The fourth proportional to 31,767.21, 47,641.10 and 12,048.57 is: 18,069.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,767.21 : 47,641.10 = 12,048.57 : x
  2. Step 2: Convert to fraction form
    31,767.21/47,641.10 = 12,048.57/x
  3. Step 3: Cross multiply
    31,767.21x = 47,641.10 × 12,048.57
  4. Step 4: Simplify right side
    31,767.21x = 574,007,067.98
  5. Step 5: Solve for x
    x = 574,007,067.98/31,767.21
  6. Step 6: Final answer
    x = 18,069.17

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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.