Home / 34,173.51-47,150.55-20,018.76

Finding the Fourth Proportional to 34,173.51, 47,150.55 and 20,018.76

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Solution

The fourth proportional to 34,173.51, 47,150.55 and 20,018.76 is: 27,620.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,173.51 : 47,150.55 = 20,018.76 : x
  2. Step 2: Convert to fraction form
    34,173.51/47,150.55 = 20,018.76/x
  3. Step 3: Cross multiply
    34,173.51x = 47,150.55 × 20,018.76
  4. Step 4: Simplify right side
    34,173.51x = 943,895,544.32
  5. Step 5: Solve for x
    x = 943,895,544.32/34,173.51
  6. Step 6: Final answer
    x = 27,620.68

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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.