Home / 43,784.58-65,678.28-17,129.52

Finding the Fourth Proportional to 43,784.58, 65,678.28 and 17,129.52

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Solution

The fourth proportional to 43,784.58, 65,678.28 and 17,129.52 is: 25,694.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,784.58 : 65,678.28 = 17,129.52 : x
  2. Step 2: Convert to fraction form
    43,784.58/65,678.28 = 17,129.52/x
  3. Step 3: Cross multiply
    43,784.58x = 65,678.28 × 17,129.52
  4. Step 4: Simplify right side
    43,784.58x = 1,125,037,410.83
  5. Step 5: Solve for x
    x = 1,125,037,410.83/43,784.58
  6. Step 6: Final answer
    x = 25,694.83

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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.