Home / 31,418.45-43,357.58-17,271.39

Finding the Fourth Proportional to 31,418.45, 43,357.58 and 17,271.39

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Solution

The fourth proportional to 31,418.45, 43,357.58 and 17,271.39 is: 23,834.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,418.45 : 43,357.58 = 17,271.39 : x
  2. Step 2: Convert to fraction form
    31,418.45/43,357.58 = 17,271.39/x
  3. Step 3: Cross multiply
    31,418.45x = 43,357.58 × 17,271.39
  4. Step 4: Simplify right side
    31,418.45x = 748,845,587.28
  5. Step 5: Solve for x
    x = 748,845,587.28/31,418.45
  6. Step 6: Final answer
    x = 23,834.58

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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.