Home / 39,450.12-59,171.94-11,748.12

Finding the Fourth Proportional to 39,450.12, 59,171.94 and 11,748.12

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Solution

The fourth proportional to 39,450.12, 59,171.94 and 11,748.12 is: 17,621.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,450.12 : 59,171.94 = 11,748.12 : x
  2. Step 2: Convert to fraction form
    39,450.12/59,171.94 = 11,748.12/x
  3. Step 3: Cross multiply
    39,450.12x = 59,171.94 × 11,748.12
  4. Step 4: Simplify right side
    39,450.12x = 695,159,051.75
  5. Step 5: Solve for x
    x = 695,159,051.75/39,450.12
  6. Step 6: Final answer
    x = 17,621.22

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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.