Home / 36,935.09-55,403.85-11,975.34

Finding the Fourth Proportional to 36,935.09, 55,403.85 and 11,975.34

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Solution

The fourth proportional to 36,935.09, 55,403.85 and 11,975.34 is: 17,963.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,935.09 : 55,403.85 = 11,975.34 : x
  2. Step 2: Convert to fraction form
    36,935.09/55,403.85 = 11,975.34/x
  3. Step 3: Cross multiply
    36,935.09x = 55,403.85 × 11,975.34
  4. Step 4: Simplify right side
    36,935.09x = 663,480,126.37
  5. Step 5: Solve for x
    x = 663,480,126.37/36,935.09
  6. Step 6: Final answer
    x = 17,963.41

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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.