Home / 31,424.63-43,366.84-17,085.42

Finding the Fourth Proportional to 31,424.63, 43,366.84 and 17,085.42

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Solution

The fourth proportional to 31,424.63, 43,366.84 and 17,085.42 is: 23,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,424.63 : 43,366.84 = 17,085.42 : x
  2. Step 2: Convert to fraction form
    31,424.63/43,366.84 = 17,085.42/x
  3. Step 3: Cross multiply
    31,424.63x = 43,366.84 × 17,085.42
  4. Step 4: Simplify right side
    31,424.63x = 740,940,790.46
  5. Step 5: Solve for x
    x = 740,940,790.46/31,424.63
  6. Step 6: Final answer
    x = 23,578.35

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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.