Home / 31,375.36-43,298.40-17,227.84

Finding the Fourth Proportional to 31,375.36, 43,298.40 and 17,227.84

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Solution

The fourth proportional to 31,375.36, 43,298.40 and 17,227.84 is: 23,774.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,375.36 : 43,298.40 = 17,227.84 : x
  2. Step 2: Convert to fraction form
    31,375.36/43,298.40 = 17,227.84/x
  3. Step 3: Cross multiply
    31,375.36x = 43,298.40 × 17,227.84
  4. Step 4: Simplify right side
    31,375.36x = 745,937,907.46
  5. Step 5: Solve for x
    x = 745,937,907.46/31,375.36
  6. Step 6: Final answer
    x = 23,774.64

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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.