Home / 39,255.28-58,881.57-11,175.51

Finding the Fourth Proportional to 39,255.28, 58,881.57 and 11,175.51

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Solution

The fourth proportional to 39,255.28, 58,881.57 and 11,175.51 is: 16,762.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,255.28 : 58,881.57 = 11,175.51 : x
  2. Step 2: Convert to fraction form
    39,255.28/58,881.57 = 11,175.51/x
  3. Step 3: Cross multiply
    39,255.28x = 58,881.57 × 11,175.51
  4. Step 4: Simplify right side
    39,255.28x = 658,031,574.35
  5. Step 5: Solve for x
    x = 658,031,574.35/39,255.28
  6. Step 6: Final answer
    x = 16,762.88

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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.