Home / 38,933.44-53,723.78-21,937.30

Finding the Fourth Proportional to 38,933.44, 53,723.78 and 21,937.30

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Solution

The fourth proportional to 38,933.44, 53,723.78 and 21,937.30 is: 30,271.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,933.44 : 53,723.78 = 21,937.30 : x
  2. Step 2: Convert to fraction form
    38,933.44/53,723.78 = 21,937.30/x
  3. Step 3: Cross multiply
    38,933.44x = 53,723.78 × 21,937.30
  4. Step 4: Simplify right side
    38,933.44x = 1,178,554,678.99
  5. Step 5: Solve for x
    x = 1,178,554,678.99/38,933.44
  6. Step 6: Final answer
    x = 30,271.01

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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.