Home / 35,326.06-48,728.32-20,976.16

Finding the Fourth Proportional to 35,326.06, 48,728.32 and 20,976.16

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Solution

The fourth proportional to 35,326.06, 48,728.32 and 20,976.16 is: 28,934.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,326.06 : 48,728.32 = 20,976.16 : x
  2. Step 2: Convert to fraction form
    35,326.06/48,728.32 = 20,976.16/x
  3. Step 3: Cross multiply
    35,326.06x = 48,728.32 × 20,976.16
  4. Step 4: Simplify right side
    35,326.06x = 1,022,133,036.85
  5. Step 5: Solve for x
    x = 1,022,133,036.85/35,326.06
  6. Step 6: Final answer
    x = 28,934.25

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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.