Home / 37,908.08-52,313.56-21,141.36

Finding the Fourth Proportional to 37,908.08, 52,313.56 and 21,141.36

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Solution

The fourth proportional to 37,908.08, 52,313.56 and 21,141.36 is: 29,175.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,908.08 : 52,313.56 = 21,141.36 : x
  2. Step 2: Convert to fraction form
    37,908.08/52,313.56 = 21,141.36/x
  3. Step 3: Cross multiply
    37,908.08x = 52,313.56 × 21,141.36
  4. Step 4: Simplify right side
    37,908.08x = 1,105,979,804.84
  5. Step 5: Solve for x
    x = 1,105,979,804.84/37,908.08
  6. Step 6: Final answer
    x = 29,175.31

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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.