Home / 34,744.73-47,945.67-19,431.18

Finding the Fourth Proportional to 34,744.73, 47,945.67 and 19,431.18

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Solution

The fourth proportional to 34,744.73, 47,945.67 and 19,431.18 is: 26,813.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,744.73 : 47,945.67 = 19,431.18 : x
  2. Step 2: Convert to fraction form
    34,744.73/47,945.67 = 19,431.18/x
  3. Step 3: Cross multiply
    34,744.73x = 47,945.67 × 19,431.18
  4. Step 4: Simplify right side
    34,744.73x = 931,640,943.99
  5. Step 5: Solve for x
    x = 931,640,943.99/34,744.73
  6. Step 6: Final answer
    x = 26,813.88

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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.