Home / 30,191.18-45,066.05-27,995.68

Finding the Fourth Proportional to 30,191.18, 45,066.05 and 27,995.68

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Solution

The fourth proportional to 30,191.18, 45,066.05 and 27,995.68 is: 41,788.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,191.18 : 45,066.05 = 27,995.68 : x
  2. Step 2: Convert to fraction form
    30,191.18/45,066.05 = 27,995.68/x
  3. Step 3: Cross multiply
    30,191.18x = 45,066.05 × 27,995.68
  4. Step 4: Simplify right side
    30,191.18x = 1,261,654,403.77
  5. Step 5: Solve for x
    x = 1,261,654,403.77/30,191.18
  6. Step 6: Final answer
    x = 41,788.84

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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.