Home / 31,519.34-47,279.16-9,333.14

Finding the Fourth Proportional to 31,519.34, 47,279.16 and 9,333.14

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Solution

The fourth proportional to 31,519.34, 47,279.16 and 9,333.14 is: 13,999.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,519.34 : 47,279.16 = 9,333.14 : x
  2. Step 2: Convert to fraction form
    31,519.34/47,279.16 = 9,333.14/x
  3. Step 3: Cross multiply
    31,519.34x = 47,279.16 × 9,333.14
  4. Step 4: Simplify right side
    31,519.34x = 441,262,782.97
  5. Step 5: Solve for x
    x = 441,262,782.97/31,519.34
  6. Step 6: Final answer
    x = 13,999.75

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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.