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Finding the Fourth Proportional to 115,009.81, 172,533.44 and 33,965.03

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Solution

The fourth proportional to 115,009.81, 172,533.44 and 33,965.03 is: 50,953.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,009.81 : 172,533.44 = 33,965.03 : x
  2. Step 2: Convert to fraction form
    115,009.81/172,533.44 = 33,965.03/x
  3. Step 3: Cross multiply
    115,009.81x = 172,533.44 × 33,965.03
  4. Step 4: Simplify right side
    115,009.81x = 5,860,103,122.57
  5. Step 5: Solve for x
    x = 5,860,103,122.57/115,009.81
  6. Step 6: Final answer
    x = 50,953.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.