Home / 37,563.81-51,840.54-21,649.28

Finding the Fourth Proportional to 37,563.81, 51,840.54 and 21,649.28

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Solution

The fourth proportional to 37,563.81, 51,840.54 and 21,649.28 is: 29,877.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,563.81 : 51,840.54 = 21,649.28 : x
  2. Step 2: Convert to fraction form
    37,563.81/51,840.54 = 21,649.28/x
  3. Step 3: Cross multiply
    37,563.81x = 51,840.54 × 21,649.28
  4. Step 4: Simplify right side
    37,563.81x = 1,122,310,106.61
  5. Step 5: Solve for x
    x = 1,122,310,106.61/37,563.81
  6. Step 6: Final answer
    x = 29,877.43

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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.