Home / 38,607.36-57,919.55-21,975.23

Finding the Fourth Proportional to 38,607.36, 57,919.55 and 21,975.23

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Solution

The fourth proportional to 38,607.36, 57,919.55 and 21,975.23 is: 32,967.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,607.36 : 57,919.55 = 21,975.23 : x
  2. Step 2: Convert to fraction form
    38,607.36/57,919.55 = 21,975.23/x
  3. Step 3: Cross multiply
    38,607.36x = 57,919.55 × 21,975.23
  4. Step 4: Simplify right side
    38,607.36x = 1,272,795,033.27
  5. Step 5: Solve for x
    x = 1,272,795,033.27/38,607.36
  6. Step 6: Final answer
    x = 32,967.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.