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Finding the Fourth Proportional to 37,952.88, 52,374.78 and 21,185.88

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Solution

The fourth proportional to 37,952.88, 52,374.78 and 21,185.88 is: 29,236.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,952.88 : 52,374.78 = 21,185.88 : x
  2. Step 2: Convert to fraction form
    37,952.88/52,374.78 = 21,185.88/x
  3. Step 3: Cross multiply
    37,952.88x = 52,374.78 × 21,185.88
  4. Step 4: Simplify right side
    37,952.88x = 1,109,605,804.11
  5. Step 5: Solve for x
    x = 1,109,605,804.11/37,952.88
  6. Step 6: Final answer
    x = 29,236.41

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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.