Home / 36,922.59-55,377.81-11,980.47

Finding the Fourth Proportional to 36,922.59, 55,377.81 and 11,980.47

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Solution

The fourth proportional to 36,922.59, 55,377.81 and 11,980.47 is: 17,968.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,922.59 : 55,377.81 = 11,980.47 : x
  2. Step 2: Convert to fraction form
    36,922.59/55,377.81 = 11,980.47/x
  3. Step 3: Cross multiply
    36,922.59x = 55,377.81 × 11,980.47
  4. Step 4: Simplify right side
    36,922.59x = 663,452,191.37
  5. Step 5: Solve for x
    x = 663,452,191.37/36,922.59
  6. Step 6: Final answer
    x = 17,968.73

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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.