Home / 31,529.52-47,293.74-8,155.80

Finding the Fourth Proportional to 31,529.52, 47,293.74 and 8,155.80

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Solution

The fourth proportional to 31,529.52, 47,293.74 and 8,155.80 is: 12,233.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,529.52 : 47,293.74 = 8,155.80 : x
  2. Step 2: Convert to fraction form
    31,529.52/47,293.74 = 8,155.80/x
  3. Step 3: Cross multiply
    31,529.52x = 47,293.74 × 8,155.80
  4. Step 4: Simplify right side
    31,529.52x = 385,718,284.69
  5. Step 5: Solve for x
    x = 385,718,284.69/31,529.52
  6. Step 6: Final answer
    x = 12,233.56

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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.