Home / 65,044.04-89,788.44-39,558.60

Finding the Fourth Proportional to 65,044.04, 89,788.44 and 39,558.60

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Solution

The fourth proportional to 65,044.04, 89,788.44 and 39,558.60 is: 54,607.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,044.04 : 89,788.44 = 39,558.60 : x
  2. Step 2: Convert to fraction form
    65,044.04/89,788.44 = 39,558.60/x
  3. Step 3: Cross multiply
    65,044.04x = 89,788.44 × 39,558.60
  4. Step 4: Simplify right side
    65,044.04x = 3,551,904,982.58
  5. Step 5: Solve for x
    x = 3,551,904,982.58/65,044.04
  6. Step 6: Final answer
    x = 54,607.69

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Why These Related Problems?

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