Home / 31,933.80-47,902.86-9,749.16

Finding the Fourth Proportional to 31,933.80, 47,902.86 and 9,749.16

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Solution

The fourth proportional to 31,933.80, 47,902.86 and 9,749.16 is: 14,624.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,933.80 : 47,902.86 = 9,749.16 : x
  2. Step 2: Convert to fraction form
    31,933.80/47,902.86 = 9,749.16/x
  3. Step 3: Cross multiply
    31,933.80x = 47,902.86 × 9,749.16
  4. Step 4: Simplify right side
    31,933.80x = 467,012,646.60
  5. Step 5: Solve for x
    x = 467,012,646.60/31,933.80
  6. Step 6: Final answer
    x = 14,624.40

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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.