Home / 39,170.72-58,697.74-21,645.56

Finding the Fourth Proportional to 39,170.72, 58,697.74 and 21,645.56

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Solution

The fourth proportional to 39,170.72, 58,697.74 and 21,645.56 is: 32,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,170.72 : 58,697.74 = 21,645.56 : x
  2. Step 2: Convert to fraction form
    39,170.72/58,697.74 = 21,645.56/x
  3. Step 3: Cross multiply
    39,170.72x = 58,697.74 × 21,645.56
  4. Step 4: Simplify right side
    39,170.72x = 1,270,545,453.03
  5. Step 5: Solve for x
    x = 1,270,545,453.03/39,170.72
  6. Step 6: Final answer
    x = 32,436.10

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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.