Home / 35,935.36-49,589.76-20,828.32

Finding the Fourth Proportional to 35,935.36, 49,589.76 and 20,828.32

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Solution

The fourth proportional to 35,935.36, 49,589.76 and 20,828.32 is: 28,742.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,935.36 : 49,589.76 = 20,828.32 : x
  2. Step 2: Convert to fraction form
    35,935.36/49,589.76 = 20,828.32/x
  3. Step 3: Cross multiply
    35,935.36x = 49,589.76 × 20,828.32
  4. Step 4: Simplify right side
    35,935.36x = 1,032,871,390.00
  5. Step 5: Solve for x
    x = 1,032,871,390.00/35,935.36
  6. Step 6: Final answer
    x = 28,742.48

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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.