Home / 31,117.88-46,695.29-29,147.66

Finding the Fourth Proportional to 31,117.88, 46,695.29 and 29,147.66

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Solution

The fourth proportional to 31,117.88, 46,695.29 and 29,147.66 is: 43,738.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,117.88 : 46,695.29 = 29,147.66 : x
  2. Step 2: Convert to fraction form
    31,117.88/46,695.29 = 29,147.66/x
  3. Step 3: Cross multiply
    31,117.88x = 46,695.29 × 29,147.66
  4. Step 4: Simplify right side
    31,117.88x = 1,361,058,495.07
  5. Step 5: Solve for x
    x = 1,361,058,495.07/31,117.88
  6. Step 6: Final answer
    x = 43,738.79

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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.