Home / 31,339.62-47,015.52-9,153.09

Finding the Fourth Proportional to 31,339.62, 47,015.52 and 9,153.09

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Solution

The fourth proportional to 31,339.62, 47,015.52 and 9,153.09 is: 13,731.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,339.62 : 47,015.52 = 9,153.09 : x
  2. Step 2: Convert to fraction form
    31,339.62/47,015.52 = 9,153.09/x
  3. Step 3: Cross multiply
    31,339.62x = 47,015.52 × 9,153.09
  4. Step 4: Simplify right side
    31,339.62x = 430,337,285.96
  5. Step 5: Solve for x
    x = 430,337,285.96/31,339.62
  6. Step 6: Final answer
    x = 13,731.41

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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.