Home / 43,579.52-65,349.72-12,407.36

Finding the Fourth Proportional to 43,579.52, 65,349.72 and 12,407.36

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Solution

The fourth proportional to 43,579.52, 65,349.72 and 12,407.36 is: 18,605.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,579.52 : 65,349.72 = 12,407.36 : x
  2. Step 2: Convert to fraction form
    43,579.52/65,349.72 = 12,407.36/x
  3. Step 3: Cross multiply
    43,579.52x = 65,349.72 × 12,407.36
  4. Step 4: Simplify right side
    43,579.52x = 810,817,501.94
  5. Step 5: Solve for x
    x = 810,817,501.94/43,579.52
  6. Step 6: Final answer
    x = 18,605.47

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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.