Home / 44,488.78-66,743.55-12,899.50

Finding the Fourth Proportional to 44,488.78, 66,743.55 and 12,899.50

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Solution

The fourth proportional to 44,488.78, 66,743.55 and 12,899.50 is: 19,352.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,488.78 : 66,743.55 = 12,899.50 : x
  2. Step 2: Convert to fraction form
    44,488.78/66,743.55 = 12,899.50/x
  3. Step 3: Cross multiply
    44,488.78x = 66,743.55 × 12,899.50
  4. Step 4: Simplify right side
    44,488.78x = 860,958,423.23
  5. Step 5: Solve for x
    x = 860,958,423.23/44,488.78
  6. Step 6: Final answer
    x = 19,352.26

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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.