Home / 39,511.98-54,522.06-23,379.78

Finding the Fourth Proportional to 39,511.98, 54,522.06 and 23,379.78

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Solution

The fourth proportional to 39,511.98, 54,522.06 and 23,379.78 is: 32,261.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,511.98 : 54,522.06 = 23,379.78 : x
  2. Step 2: Convert to fraction form
    39,511.98/54,522.06 = 23,379.78/x
  3. Step 3: Cross multiply
    39,511.98x = 54,522.06 × 23,379.78
  4. Step 4: Simplify right side
    39,511.98x = 1,274,713,767.95
  5. Step 5: Solve for x
    x = 1,274,713,767.95/39,511.98
  6. Step 6: Final answer
    x = 32,261.45

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.