Home / 30,676.06-42,330.54-17,244.76

Finding the Fourth Proportional to 30,676.06, 42,330.54 and 17,244.76

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Solution

The fourth proportional to 30,676.06, 42,330.54 and 17,244.76 is: 23,796.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,676.06 : 42,330.54 = 17,244.76 : x
  2. Step 2: Convert to fraction form
    30,676.06/42,330.54 = 17,244.76/x
  3. Step 3: Cross multiply
    30,676.06x = 42,330.54 × 17,244.76
  4. Step 4: Simplify right side
    30,676.06x = 729,980,002.97
  5. Step 5: Solve for x
    x = 729,980,002.97/30,676.06
  6. Step 6: Final answer
    x = 23,796.41

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Half scale
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Double scale
Find fourth proportional to 30,677.06, 42,331.92 and 17,245.76
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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.