Home / 35,108.08-48,449.24-20,960.60

Finding the Fourth Proportional to 35,108.08, 48,449.24 and 20,960.60

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Solution

The fourth proportional to 35,108.08, 48,449.24 and 20,960.60 is: 28,925.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,108.08 : 48,449.24 = 20,960.60 : x
  2. Step 2: Convert to fraction form
    35,108.08/48,449.24 = 20,960.60/x
  3. Step 3: Cross multiply
    35,108.08x = 48,449.24 × 20,960.60
  4. Step 4: Simplify right side
    35,108.08x = 1,015,525,139.94
  5. Step 5: Solve for x
    x = 1,015,525,139.94/35,108.08
  6. Step 6: Final answer
    x = 28,925.68

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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.