Home / 74,028.12-111,091.39-34,588.31

Finding the Fourth Proportional to 74,028.12, 111,091.39 and 34,588.31

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Solution

The fourth proportional to 74,028.12, 111,091.39 and 34,588.31 is: 51,905.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,028.12 : 111,091.39 = 34,588.31 : x
  2. Step 2: Convert to fraction form
    74,028.12/111,091.39 = 34,588.31/x
  3. Step 3: Cross multiply
    74,028.12x = 111,091.39 × 34,588.31
  4. Step 4: Simplify right side
    74,028.12x = 3,842,463,626.91
  5. Step 5: Solve for x
    x = 3,842,463,626.91/74,028.12
  6. Step 6: Final answer
    x = 51,905.46

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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.