Home / 35,678.96-49,232.84-20,571.52

Finding the Fourth Proportional to 35,678.96, 49,232.84 and 20,571.52

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Solution

The fourth proportional to 35,678.96, 49,232.84 and 20,571.52 is: 28,386.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,678.96 : 49,232.84 = 20,571.52 : x
  2. Step 2: Convert to fraction form
    35,678.96/49,232.84 = 20,571.52/x
  3. Step 3: Cross multiply
    35,678.96x = 49,232.84 × 20,571.52
  4. Step 4: Simplify right side
    35,678.96x = 1,012,794,352.72
  5. Step 5: Solve for x
    x = 1,012,794,352.72/35,678.96
  6. Step 6: Final answer
    x = 28,386.32

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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.