Home / 38,235.05-52,772.80-21,245.13

Finding the Fourth Proportional to 38,235.05, 52,772.80 and 21,245.13

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Solution

The fourth proportional to 38,235.05, 52,772.80 and 21,245.13 is: 29,322.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,235.05 : 52,772.80 = 21,245.13 : x
  2. Step 2: Convert to fraction form
    38,235.05/52,772.80 = 21,245.13/x
  3. Step 3: Cross multiply
    38,235.05x = 52,772.80 × 21,245.13
  4. Step 4: Simplify right side
    38,235.05x = 1,121,164,996.46
  5. Step 5: Solve for x
    x = 1,121,164,996.46/38,235.05
  6. Step 6: Final answer
    x = 29,322.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.