Home / 40,236.80-55,548.78-27,509.12

Finding the Fourth Proportional to 40,236.80, 55,548.78 and 27,509.12

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Solution

The fourth proportional to 40,236.80, 55,548.78 and 27,509.12 is: 37,977.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,236.80 : 55,548.78 = 27,509.12 : x
  2. Step 2: Convert to fraction form
    40,236.80/55,548.78 = 27,509.12/x
  3. Step 3: Cross multiply
    40,236.80x = 55,548.78 × 27,509.12
  4. Step 4: Simplify right side
    40,236.80x = 1,528,098,054.87
  5. Step 5: Solve for x
    x = 1,528,098,054.87/40,236.80
  6. Step 6: Final answer
    x = 37,977.62

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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.