Home / 39,202.08-58,816.80-18,427.20

Finding the Fourth Proportional to 39,202.08, 58,816.80 and 18,427.20

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Solution

The fourth proportional to 39,202.08, 58,816.80 and 18,427.20 is: 27,647.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,202.08 : 58,816.80 = 18,427.20 : x
  2. Step 2: Convert to fraction form
    39,202.08/58,816.80 = 18,427.20/x
  3. Step 3: Cross multiply
    39,202.08x = 58,816.80 × 18,427.20
  4. Step 4: Simplify right side
    39,202.08x = 1,083,828,936.96
  5. Step 5: Solve for x
    x = 1,083,828,936.96/39,202.08
  6. Step 6: Final answer
    x = 27,647.23

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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.