Home / 31,519.14-47,279.21-9,334.77

Finding the Fourth Proportional to 31,519.14, 47,279.21 and 9,334.77

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Solution

The fourth proportional to 31,519.14, 47,279.21 and 9,334.77 is: 14,002.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,519.14 : 47,279.21 = 9,334.77 : x
  2. Step 2: Convert to fraction form
    31,519.14/47,279.21 = 9,334.77/x
  3. Step 3: Cross multiply
    31,519.14x = 47,279.21 × 9,334.77
  4. Step 4: Simplify right side
    31,519.14x = 441,340,551.13
  5. Step 5: Solve for x
    x = 441,340,551.13/31,519.14
  6. Step 6: Final answer
    x = 14,002.30

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1.5x scale

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.