Home / 35,928.36-49,581.15-20,829.81

Finding the Fourth Proportional to 35,928.36, 49,581.15 and 20,829.81

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Solution

The fourth proportional to 35,928.36, 49,581.15 and 20,829.81 is: 28,745.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,928.36 : 49,581.15 = 20,829.81 : x
  2. Step 2: Convert to fraction form
    35,928.36/49,581.15 = 20,829.81/x
  3. Step 3: Cross multiply
    35,928.36x = 49,581.15 × 20,829.81
  4. Step 4: Simplify right side
    35,928.36x = 1,032,765,582.03
  5. Step 5: Solve for x
    x = 1,032,765,582.03/35,928.36
  6. Step 6: Final answer
    x = 28,745.14

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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.