Home / 39,355.80-59,051.11-20,631.37

Finding the Fourth Proportional to 39,355.80, 59,051.11 and 20,631.37

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Solution

The fourth proportional to 39,355.80, 59,051.11 and 20,631.37 is: 30,956.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,355.80 : 59,051.11 = 20,631.37 : x
  2. Step 2: Convert to fraction form
    39,355.80/59,051.11 = 20,631.37/x
  3. Step 3: Cross multiply
    39,355.80x = 59,051.11 × 20,631.37
  4. Step 4: Simplify right side
    39,355.80x = 1,218,305,299.32
  5. Step 5: Solve for x
    x = 1,218,305,299.32/39,355.80
  6. Step 6: Final answer
    x = 30,956.18

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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.