Home / 38,557.44-53,208.90-21,561.49

Finding the Fourth Proportional to 38,557.44, 53,208.90 and 21,561.49

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Solution

The fourth proportional to 38,557.44, 53,208.90 and 21,561.49 is: 29,754.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,557.44 : 53,208.90 = 21,561.49 : x
  2. Step 2: Convert to fraction form
    38,557.44/53,208.90 = 21,561.49/x
  3. Step 3: Cross multiply
    38,557.44x = 53,208.90 × 21,561.49
  4. Step 4: Simplify right side
    38,557.44x = 1,147,262,791.41
  5. Step 5: Solve for x
    x = 1,147,262,791.41/38,557.44
  6. Step 6: Final answer
    x = 29,754.65

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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.