Home / 36,407.24-50,242.08-20,491.92

Finding the Fourth Proportional to 36,407.24, 50,242.08 and 20,491.92

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Solution

The fourth proportional to 36,407.24, 50,242.08 and 20,491.92 is: 28,278.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,407.24 : 50,242.08 = 20,491.92 : x
  2. Step 2: Convert to fraction form
    36,407.24/50,242.08 = 20,491.92/x
  3. Step 3: Cross multiply
    36,407.24x = 50,242.08 × 20,491.92
  4. Step 4: Simplify right side
    36,407.24x = 1,029,556,683.99
  5. Step 5: Solve for x
    x = 1,029,556,683.99/36,407.24
  6. Step 6: Final answer
    x = 28,278.90

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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.