Home / 35,121.06-48,465.52-20,016.99

Finding the Fourth Proportional to 35,121.06, 48,465.52 and 20,016.99

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Solution

The fourth proportional to 35,121.06, 48,465.52 and 20,016.99 is: 27,622.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,121.06 : 48,465.52 = 20,016.99 : x
  2. Step 2: Convert to fraction form
    35,121.06/48,465.52 = 20,016.99/x
  3. Step 3: Cross multiply
    35,121.06x = 48,465.52 × 20,016.99
  4. Step 4: Simplify right side
    35,121.06x = 970,133,829.18
  5. Step 5: Solve for x
    x = 970,133,829.18/35,121.06
  6. Step 6: Final answer
    x = 27,622.57

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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.