Home / 31,495.26-47,247.21-9,310.38

Finding the Fourth Proportional to 31,495.26, 47,247.21 and 9,310.38

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Solution

The fourth proportional to 31,495.26, 47,247.21 and 9,310.38 is: 13,966.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,495.26 : 47,247.21 = 9,310.38 : x
  2. Step 2: Convert to fraction form
    31,495.26/47,247.21 = 9,310.38/x
  3. Step 3: Cross multiply
    31,495.26x = 47,247.21 × 9,310.38
  4. Step 4: Simplify right side
    31,495.26x = 439,889,479.04
  5. Step 5: Solve for x
    x = 439,889,479.04/31,495.26
  6. Step 6: Final answer
    x = 13,966.85

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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.