Home / 38,001.31-52,442.01-20,773.70

Finding the Fourth Proportional to 38,001.31, 52,442.01 and 20,773.70

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Solution

The fourth proportional to 38,001.31, 52,442.01 and 20,773.70 is: 28,667.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,001.31 : 52,442.01 = 20,773.70 : x
  2. Step 2: Convert to fraction form
    38,001.31/52,442.01 = 20,773.70/x
  3. Step 3: Cross multiply
    38,001.31x = 52,442.01 × 20,773.70
  4. Step 4: Simplify right side
    38,001.31x = 1,089,414,583.14
  5. Step 5: Solve for x
    x = 1,089,414,583.14/38,001.31
  6. Step 6: Final answer
    x = 28,667.82

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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.