Home / 43,915.69-65,866.68-14,326.96

Finding the Fourth Proportional to 43,915.69, 65,866.68 and 14,326.96

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Solution

The fourth proportional to 43,915.69, 65,866.68 and 14,326.96 is: 21,488.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,915.69 : 65,866.68 = 14,326.96 : x
  2. Step 2: Convert to fraction form
    43,915.69/65,866.68 = 14,326.96/x
  3. Step 3: Cross multiply
    43,915.69x = 65,866.68 × 14,326.96
  4. Step 4: Simplify right side
    43,915.69x = 943,669,289.69
  5. Step 5: Solve for x
    x = 943,669,289.69/43,915.69
  6. Step 6: Final answer
    x = 21,488.20

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1.5x scale

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.