Home / 32,838.06-45,305.28-18,687.36

Finding the Fourth Proportional to 32,838.06, 45,305.28 and 18,687.36

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Solution

The fourth proportional to 32,838.06, 45,305.28 and 18,687.36 is: 25,782.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,838.06 : 45,305.28 = 18,687.36 : x
  2. Step 2: Convert to fraction form
    32,838.06/45,305.28 = 18,687.36/x
  3. Step 3: Cross multiply
    32,838.06x = 45,305.28 × 18,687.36
  4. Step 4: Simplify right side
    32,838.06x = 846,636,077.26
  5. Step 5: Solve for x
    x = 846,636,077.26/32,838.06
  6. Step 6: Final answer
    x = 25,782.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.