Home / 36,407.36-50,242.14-20,491.89

Finding the Fourth Proportional to 36,407.36, 50,242.14 and 20,491.89

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Solution

The fourth proportional to 36,407.36, 50,242.14 and 20,491.89 is: 28,278.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,407.36 : 50,242.14 = 20,491.89 : x
  2. Step 2: Convert to fraction form
    36,407.36/50,242.14 = 20,491.89/x
  3. Step 3: Cross multiply
    36,407.36x = 50,242.14 × 20,491.89
  4. Step 4: Simplify right side
    36,407.36x = 1,029,556,406.24
  5. Step 5: Solve for x
    x = 1,029,556,406.24/36,407.36
  6. Step 6: Final answer
    x = 28,278.80

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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.