Home / 31,519.72-47,279.73-9,333.51

Finding the Fourth Proportional to 31,519.72, 47,279.73 and 9,333.51

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Solution

The fourth proportional to 31,519.72, 47,279.73 and 9,333.51 is: 14,000.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,519.72 : 47,279.73 = 9,333.51 : x
  2. Step 2: Convert to fraction form
    31,519.72/47,279.73 = 9,333.51/x
  3. Step 3: Cross multiply
    31,519.72x = 47,279.73 × 9,333.51
  4. Step 4: Simplify right side
    31,519.72x = 441,285,832.75
  5. Step 5: Solve for x
    x = 441,285,832.75/31,519.72
  6. Step 6: Final answer
    x = 14,000.31

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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.