Home / 31,421.82-43,362.22-17,275.56

Finding the Fourth Proportional to 31,421.82, 43,362.22 and 17,275.56

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Solution

The fourth proportional to 31,421.82, 43,362.22 and 17,275.56 is: 23,840.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,421.82 : 43,362.22 = 17,275.56 : x
  2. Step 2: Convert to fraction form
    31,421.82/43,362.22 = 17,275.56/x
  3. Step 3: Cross multiply
    31,421.82x = 43,362.22 × 17,275.56
  4. Step 4: Simplify right side
    31,421.82x = 749,106,633.34
  5. Step 5: Solve for x
    x = 749,106,633.34/31,421.82
  6. Step 6: Final answer
    x = 23,840.33

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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.