Home / 44,012.90-66,023.32-12,423.31

Finding the Fourth Proportional to 44,012.90, 66,023.32 and 12,423.31

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Solution

The fourth proportional to 44,012.90, 66,023.32 and 12,423.31 is: 18,636.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,012.90 : 66,023.32 = 12,423.31 : x
  2. Step 2: Convert to fraction form
    44,012.90/66,023.32 = 12,423.31/x
  3. Step 3: Cross multiply
    44,012.90x = 66,023.32 × 12,423.31
  4. Step 4: Simplify right side
    44,012.90x = 820,228,171.59
  5. Step 5: Solve for x
    x = 820,228,171.59/44,012.90
  6. Step 6: Final answer
    x = 18,636.09

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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.