Home / 43,916.62-65,867.46-12,319.42

Finding the Fourth Proportional to 43,916.62, 65,867.46 and 12,319.42

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Solution

The fourth proportional to 43,916.62, 65,867.46 and 12,319.42 is: 18,477.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,916.62 : 65,867.46 = 12,319.42 : x
  2. Step 2: Convert to fraction form
    43,916.62/65,867.46 = 12,319.42/x
  3. Step 3: Cross multiply
    43,916.62x = 65,867.46 × 12,319.42
  4. Step 4: Simplify right side
    43,916.62x = 811,448,904.07
  5. Step 5: Solve for x
    x = 811,448,904.07/43,916.62
  6. Step 6: Final answer
    x = 18,477.03

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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.