Home / 35,739.13-49,322.24-20,634.56

Finding the Fourth Proportional to 35,739.13, 49,322.24 and 20,634.56

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Solution

The fourth proportional to 35,739.13, 49,322.24 and 20,634.56 is: 28,476.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,739.13 : 49,322.24 = 20,634.56 : x
  2. Step 2: Convert to fraction form
    35,739.13/49,322.24 = 20,634.56/x
  3. Step 3: Cross multiply
    35,739.13x = 49,322.24 × 20,634.56
  4. Step 4: Simplify right side
    35,739.13x = 1,017,742,720.61
  5. Step 5: Solve for x
    x = 1,017,742,720.61/35,739.13
  6. Step 6: Final answer
    x = 28,476.99

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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.