Home / 31,725.87-47,586.07-13,000.56

Finding the Fourth Proportional to 31,725.87, 47,586.07 and 13,000.56

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Solution

The fourth proportional to 31,725.87, 47,586.07 and 13,000.56 is: 19,499.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,725.87 : 47,586.07 = 13,000.56 : x
  2. Step 2: Convert to fraction form
    31,725.87/47,586.07 = 13,000.56/x
  3. Step 3: Cross multiply
    31,725.87x = 47,586.07 × 13,000.56
  4. Step 4: Simplify right side
    31,725.87x = 618,645,558.20
  5. Step 5: Solve for x
    x = 618,645,558.20/31,725.87
  6. Step 6: Final answer
    x = 19,499.72

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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.