Home / 31,424.85-43,367.04-17,085.51

Finding the Fourth Proportional to 31,424.85, 43,367.04 and 17,085.51

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Solution

The fourth proportional to 31,424.85, 43,367.04 and 17,085.51 is: 23,578.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,424.85 : 43,367.04 = 17,085.51 : x
  2. Step 2: Convert to fraction form
    31,424.85/43,367.04 = 17,085.51/x
  3. Step 3: Cross multiply
    31,424.85x = 43,367.04 × 17,085.51
  4. Step 4: Simplify right side
    31,424.85x = 740,947,995.59
  5. Step 5: Solve for x
    x = 740,947,995.59/31,424.85
  6. Step 6: Final answer
    x = 23,578.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.