Home / 31,809.24-47,702.66-9,313.72

Finding the Fourth Proportional to 31,809.24, 47,702.66 and 9,313.72

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Solution

The fourth proportional to 31,809.24, 47,702.66 and 9,313.72 is: 13,967.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,809.24 : 47,702.66 = 9,313.72 : x
  2. Step 2: Convert to fraction form
    31,809.24/47,702.66 = 9,313.72/x
  3. Step 3: Cross multiply
    31,809.24x = 47,702.66 × 9,313.72
  4. Step 4: Simplify right side
    31,809.24x = 444,289,052.67
  5. Step 5: Solve for x
    x = 444,289,052.67/31,809.24
  6. Step 6: Final answer
    x = 13,967.30

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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.