Home / 31,659.26-47,491.52-8,285.63

Finding the Fourth Proportional to 31,659.26, 47,491.52 and 8,285.63

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Solution

The fourth proportional to 31,659.26, 47,491.52 and 8,285.63 is: 12,429.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,659.26 : 47,491.52 = 8,285.63 : x
  2. Step 2: Convert to fraction form
    31,659.26/47,491.52 = 8,285.63/x
  3. Step 3: Cross multiply
    31,659.26x = 47,491.52 × 8,285.63
  4. Step 4: Simplify right side
    31,659.26x = 393,496,883.97
  5. Step 5: Solve for x
    x = 393,496,883.97/31,659.26
  6. Step 6: Final answer
    x = 12,429.13

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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.