Home / 38,202.57-57,303.54-20,783.07

Finding the Fourth Proportional to 38,202.57, 57,303.54 and 20,783.07

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Solution

The fourth proportional to 38,202.57, 57,303.54 and 20,783.07 is: 31,174.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,202.57 : 57,303.54 = 20,783.07 : x
  2. Step 2: Convert to fraction form
    38,202.57/57,303.54 = 20,783.07/x
  3. Step 3: Cross multiply
    38,202.57x = 57,303.54 × 20,783.07
  4. Step 4: Simplify right side
    38,202.57x = 1,190,943,483.07
  5. Step 5: Solve for x
    x = 1,190,943,483.07/38,202.57
  6. Step 6: Final answer
    x = 31,174.43

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.