Home / 34,721.56-47,918.70-19,616.99

Finding the Fourth Proportional to 34,721.56, 47,918.70 and 19,616.99

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Solution

The fourth proportional to 34,721.56, 47,918.70 and 19,616.99 is: 27,073.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,721.56 : 47,918.70 = 19,616.99 : x
  2. Step 2: Convert to fraction form
    34,721.56/47,918.70 = 19,616.99/x
  3. Step 3: Cross multiply
    34,721.56x = 47,918.70 × 19,616.99
  4. Step 4: Simplify right side
    34,721.56x = 940,020,560.63
  5. Step 5: Solve for x
    x = 940,020,560.63/34,721.56
  6. Step 6: Final answer
    x = 27,073.11

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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.