Home / 39,515.07-54,592.20-33,131.77

Finding the Fourth Proportional to 39,515.07, 54,592.20 and 33,131.77

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Solution

The fourth proportional to 39,515.07, 54,592.20 and 33,131.77 is: 45,773.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,515.07 : 54,592.20 = 33,131.77 : x
  2. Step 2: Convert to fraction form
    39,515.07/54,592.20 = 33,131.77/x
  3. Step 3: Cross multiply
    39,515.07x = 54,592.20 × 33,131.77
  4. Step 4: Simplify right side
    39,515.07x = 1,808,736,160.54
  5. Step 5: Solve for x
    x = 1,808,736,160.54/39,515.07
  6. Step 6: Final answer
    x = 45,773.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.