Home / 38,591.69-53,259.39-21,597.63

Finding the Fourth Proportional to 38,591.69, 53,259.39 and 21,597.63

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Solution

The fourth proportional to 38,591.69, 53,259.39 and 21,597.63 is: 29,806.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,591.69 : 53,259.39 = 21,597.63 : x
  2. Step 2: Convert to fraction form
    38,591.69/53,259.39 = 21,597.63/x
  3. Step 3: Cross multiply
    38,591.69x = 53,259.39 × 21,597.63
  4. Step 4: Simplify right side
    38,591.69x = 1,150,276,491.26
  5. Step 5: Solve for x
    x = 1,150,276,491.26/38,591.69
  6. Step 6: Final answer
    x = 29,806.33

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Half scale
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Double scale
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Similar ratio
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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.