Home / 36,048.96-54,077.76-21,274.56

Finding the Fourth Proportional to 36,048.96, 54,077.76 and 21,274.56

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Solution

The fourth proportional to 36,048.96, 54,077.76 and 21,274.56 is: 31,914.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,048.96 : 54,077.76 = 21,274.56 : x
  2. Step 2: Convert to fraction form
    36,048.96/54,077.76 = 21,274.56/x
  3. Step 3: Cross multiply
    36,048.96x = 54,077.76 × 21,274.56
  4. Step 4: Simplify right side
    36,048.96x = 1,150,480,549.79
  5. Step 5: Solve for x
    x = 1,150,480,549.79/36,048.96
  6. Step 6: Final answer
    x = 31,914.39

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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.