Home / 35,078.20-48,395.34-20,735.02

Finding the Fourth Proportional to 35,078.20, 48,395.34 and 20,735.02

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Solution

The fourth proportional to 35,078.20, 48,395.34 and 20,735.02 is: 28,606.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,078.20 : 48,395.34 = 20,735.02 : x
  2. Step 2: Convert to fraction form
    35,078.20/48,395.34 = 20,735.02/x
  3. Step 3: Cross multiply
    35,078.20x = 48,395.34 × 20,735.02
  4. Step 4: Simplify right side
    35,078.20x = 1,003,478,342.81
  5. Step 5: Solve for x
    x = 1,003,478,342.81/35,078.20
  6. Step 6: Final answer
    x = 28,606.89

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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.