Home / 36,756.09-55,166.15-20,992.68

Finding the Fourth Proportional to 36,756.09, 55,166.15 and 20,992.68

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Solution

The fourth proportional to 36,756.09, 55,166.15 and 20,992.68 is: 31,507.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,756.09 : 55,166.15 = 20,992.68 : x
  2. Step 2: Convert to fraction form
    36,756.09/55,166.15 = 20,992.68/x
  3. Step 3: Cross multiply
    36,756.09x = 55,166.15 × 20,992.68
  4. Step 4: Simplify right side
    36,756.09x = 1,158,085,228.82
  5. Step 5: Solve for x
    x = 1,158,085,228.82/36,756.09
  6. Step 6: Final answer
    x = 31,507.30

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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.