Home / 31,518.68-43,495.26-17,372.84

Finding the Fourth Proportional to 31,518.68, 43,495.26 and 17,372.84

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Solution

The fourth proportional to 31,518.68, 43,495.26 and 17,372.84 is: 23,974.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,518.68 : 43,495.26 = 17,372.84 : x
  2. Step 2: Convert to fraction form
    31,518.68/43,495.26 = 17,372.84/x
  3. Step 3: Cross multiply
    31,518.68x = 43,495.26 × 17,372.84
  4. Step 4: Simplify right side
    31,518.68x = 755,636,192.74
  5. Step 5: Solve for x
    x = 755,636,192.74/31,518.68
  6. Step 6: Final answer
    x = 23,974.23

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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.