Home / 34,644.19-47,809.43-21,028.30

Finding the Fourth Proportional to 34,644.19, 47,809.43 and 21,028.30

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Solution

The fourth proportional to 34,644.19, 47,809.43 and 21,028.30 is: 29,019.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,644.19 : 47,809.43 = 21,028.30 : x
  2. Step 2: Convert to fraction form
    34,644.19/47,809.43 = 21,028.30/x
  3. Step 3: Cross multiply
    34,644.19x = 47,809.43 × 21,028.30
  4. Step 4: Simplify right side
    34,644.19x = 1,005,351,036.87
  5. Step 5: Solve for x
    x = 1,005,351,036.87/34,644.19
  6. Step 6: Final answer
    x = 29,019.33

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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.