Home / 39,416.88-59,212.80-38,172.72

Finding the Fourth Proportional to 39,416.88, 59,212.80 and 38,172.72

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Solution

The fourth proportional to 39,416.88, 59,212.80 and 38,172.72 is: 57,343.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,416.88 : 59,212.80 = 38,172.72 : x
  2. Step 2: Convert to fraction form
    39,416.88/59,212.80 = 38,172.72/x
  3. Step 3: Cross multiply
    39,416.88x = 59,212.80 × 38,172.72
  4. Step 4: Simplify right side
    39,416.88x = 2,260,313,634.82
  5. Step 5: Solve for x
    x = 2,260,313,634.82/39,416.88
  6. Step 6: Final answer
    x = 57,343.80

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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.