Home / 32,980.96-49,430.79-18,761.36

Finding the Fourth Proportional to 32,980.96, 49,430.79 and 18,761.36

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Solution

The fourth proportional to 32,980.96, 49,430.79 and 18,761.36 is: 28,118.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,980.96 : 49,430.79 = 18,761.36 : x
  2. Step 2: Convert to fraction form
    32,980.96/49,430.79 = 18,761.36/x
  3. Step 3: Cross multiply
    32,980.96x = 49,430.79 × 18,761.36
  4. Step 4: Simplify right side
    32,980.96x = 927,388,599.12
  5. Step 5: Solve for x
    x = 927,388,599.12/32,980.96
  6. Step 6: Final answer
    x = 28,118.91

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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.