Home / 38,200.69-52,716.90-21,207.55

Finding the Fourth Proportional to 38,200.69, 52,716.90 and 21,207.55

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Solution

The fourth proportional to 38,200.69, 52,716.90 and 21,207.55 is: 29,266.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,200.69 : 52,716.90 = 21,207.55 : x
  2. Step 2: Convert to fraction form
    38,200.69/52,716.90 = 21,207.55/x
  3. Step 3: Cross multiply
    38,200.69x = 52,716.90 × 21,207.55
  4. Step 4: Simplify right side
    38,200.69x = 1,117,996,292.60
  5. Step 5: Solve for x
    x = 1,117,996,292.60/38,200.69
  6. Step 6: Final answer
    x = 29,266.39

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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.