Home / 37,869.94-52,261.59-21,738.66

Finding the Fourth Proportional to 37,869.94, 52,261.59 and 21,738.66

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Solution

The fourth proportional to 37,869.94, 52,261.59 and 21,738.66 is: 29,999.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,869.94 : 52,261.59 = 21,738.66 : x
  2. Step 2: Convert to fraction form
    37,869.94/52,261.59 = 21,738.66/x
  3. Step 3: Cross multiply
    37,869.94x = 52,261.59 × 21,738.66
  4. Step 4: Simplify right side
    37,869.94x = 1,136,096,936.07
  5. Step 5: Solve for x
    x = 1,136,096,936.07/37,869.94
  6. Step 6: Final answer
    x = 29,999.97

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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.