Home / 36,918.60-50,948.37-21,003.18

Finding the Fourth Proportional to 36,918.60, 50,948.37 and 21,003.18

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Solution

The fourth proportional to 36,918.60, 50,948.37 and 21,003.18 is: 28,984.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,918.60 : 50,948.37 = 21,003.18 : x
  2. Step 2: Convert to fraction form
    36,918.60/50,948.37 = 21,003.18/x
  3. Step 3: Cross multiply
    36,918.60x = 50,948.37 × 21,003.18
  4. Step 4: Simplify right side
    36,918.60x = 1,070,077,785.82
  5. Step 5: Solve for x
    x = 1,070,077,785.82/36,918.60
  6. Step 6: Final answer
    x = 28,984.79

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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.