Home / 40,537.81-55,943.09-25,431.11

Finding the Fourth Proportional to 40,537.81, 55,943.09 and 25,431.11

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Solution

The fourth proportional to 40,537.81, 55,943.09 and 25,431.11 is: 35,095.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,537.81 : 55,943.09 = 25,431.11 : x
  2. Step 2: Convert to fraction form
    40,537.81/55,943.09 = 25,431.11/x
  3. Step 3: Cross multiply
    40,537.81x = 55,943.09 × 25,431.11
  4. Step 4: Simplify right side
    40,537.81x = 1,422,694,748.37
  5. Step 5: Solve for x
    x = 1,422,694,748.37/40,537.81
  6. Step 6: Final answer
    x = 35,095.50

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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.