Home / 31,334.59-47,006.29-9,149.60

Finding the Fourth Proportional to 31,334.59, 47,006.29 and 9,149.60

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Solution

The fourth proportional to 31,334.59, 47,006.29 and 9,149.60 is: 13,725.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,334.59 : 47,006.29 = 9,149.60 : x
  2. Step 2: Convert to fraction form
    31,334.59/47,006.29 = 9,149.60/x
  3. Step 3: Cross multiply
    31,334.59x = 47,006.29 × 9,149.60
  4. Step 4: Simplify right side
    31,334.59x = 430,088,879.94
  5. Step 5: Solve for x
    x = 430,088,879.94/31,334.59
  6. Step 6: Final answer
    x = 13,725.69

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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.