Home / 39,837.64-54,976.32-21,933.01

Finding the Fourth Proportional to 39,837.64, 54,976.32 and 21,933.01

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Solution

The fourth proportional to 39,837.64, 54,976.32 and 21,933.01 is: 30,267.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,837.64 : 54,976.32 = 21,933.01 : x
  2. Step 2: Convert to fraction form
    39,837.64/54,976.32 = 21,933.01/x
  3. Step 3: Cross multiply
    39,837.64x = 54,976.32 × 21,933.01
  4. Step 4: Simplify right side
    39,837.64x = 1,205,796,176.32
  5. Step 5: Solve for x
    x = 1,205,796,176.32/39,837.64
  6. Step 6: Final answer
    x = 30,267.76

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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.