Home / 31,362.30-43,278.48-17,214.84

Finding the Fourth Proportional to 31,362.30, 43,278.48 and 17,214.84

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Solution

The fourth proportional to 31,362.30, 43,278.48 and 17,214.84 is: 23,755.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,362.30 : 43,278.48 = 17,214.84 : x
  2. Step 2: Convert to fraction form
    31,362.30/43,278.48 = 17,214.84/x
  3. Step 3: Cross multiply
    31,362.30x = 43,278.48 × 17,214.84
  4. Step 4: Simplify right side
    31,362.30x = 745,032,108.64
  5. Step 5: Solve for x
    x = 745,032,108.64/31,362.30
  6. Step 6: Final answer
    x = 23,755.66

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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.