Home / 45,013.60-67,554.12-16,961.32

Finding the Fourth Proportional to 45,013.60, 67,554.12 and 16,961.32

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Solution

The fourth proportional to 45,013.60, 67,554.12 and 16,961.32 is: 25,454.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,013.60 : 67,554.12 = 16,961.32 : x
  2. Step 2: Convert to fraction form
    45,013.60/67,554.12 = 16,961.32/x
  3. Step 3: Cross multiply
    45,013.60x = 67,554.12 × 16,961.32
  4. Step 4: Simplify right side
    45,013.60x = 1,145,807,046.64
  5. Step 5: Solve for x
    x = 1,145,807,046.64/45,013.60
  6. Step 6: Final answer
    x = 25,454.69

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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.