Home / 38,872.44-53,669.79-29,904.12

Finding the Fourth Proportional to 38,872.44, 53,669.79 and 29,904.12

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Solution

The fourth proportional to 38,872.44, 53,669.79 and 29,904.12 is: 41,287.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,872.44 : 53,669.79 = 29,904.12 : x
  2. Step 2: Convert to fraction form
    38,872.44/53,669.79 = 29,904.12/x
  3. Step 3: Cross multiply
    38,872.44x = 53,669.79 × 29,904.12
  4. Step 4: Simplify right side
    38,872.44x = 1,604,947,840.53
  5. Step 5: Solve for x
    x = 1,604,947,840.53/38,872.44
  6. Step 6: Final answer
    x = 41,287.55

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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.