Home / 31,156.26-46,695.51-15,578.34

Finding the Fourth Proportional to 31,156.26, 46,695.51 and 15,578.34

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Solution

The fourth proportional to 31,156.26, 46,695.51 and 15,578.34 is: 23,348.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,156.26 : 46,695.51 = 15,578.34 : x
  2. Step 2: Convert to fraction form
    31,156.26/46,695.51 = 15,578.34/x
  3. Step 3: Cross multiply
    31,156.26x = 46,695.51 × 15,578.34
  4. Step 4: Simplify right side
    31,156.26x = 727,438,531.25
  5. Step 5: Solve for x
    x = 727,438,531.25/31,156.26
  6. Step 6: Final answer
    x = 23,348.07

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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.