Home / 34,297.08-47,326.86-21,721.56

Finding the Fourth Proportional to 34,297.08, 47,326.86 and 21,721.56

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Solution

The fourth proportional to 34,297.08, 47,326.86 and 21,721.56 is: 29,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,297.08 : 47,326.86 = 21,721.56 : x
  2. Step 2: Convert to fraction form
    34,297.08/47,326.86 = 21,721.56/x
  3. Step 3: Cross multiply
    34,297.08x = 47,326.86 × 21,721.56
  4. Step 4: Simplify right side
    34,297.08x = 1,028,013,229.10
  5. Step 5: Solve for x
    x = 1,028,013,229.10/34,297.08
  6. Step 6: Final answer
    x = 29,973.78

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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.