Home / 66,289.90-99,432.42-16,369.60

Finding the Fourth Proportional to 66,289.90, 99,432.42 and 16,369.60

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Solution

The fourth proportional to 66,289.90, 99,432.42 and 16,369.60 is: 24,553.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,289.90 : 99,432.42 = 16,369.60 : x
  2. Step 2: Convert to fraction form
    66,289.90/99,432.42 = 16,369.60/x
  3. Step 3: Cross multiply
    66,289.90x = 99,432.42 × 16,369.60
  4. Step 4: Simplify right side
    66,289.90x = 1,627,668,942.43
  5. Step 5: Solve for x
    x = 1,627,668,942.43/66,289.90
  6. Step 6: Final answer
    x = 24,553.80

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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.