Home / 35,144.91-48,495.20-20,994.75

Finding the Fourth Proportional to 35,144.91, 48,495.20 and 20,994.75

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Solution

The fourth proportional to 35,144.91, 48,495.20 and 20,994.75 is: 28,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,144.91 : 48,495.20 = 20,994.75 : x
  2. Step 2: Convert to fraction form
    35,144.91/48,495.20 = 20,994.75/x
  3. Step 3: Cross multiply
    35,144.91x = 48,495.20 × 20,994.75
  4. Step 4: Simplify right side
    35,144.91x = 1,018,144,495.23
  5. Step 5: Solve for x
    x = 1,018,144,495.23/35,144.91
  6. Step 6: Final answer
    x = 28,969.90

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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.