Home / 36,487.85-50,358.11-21,386.48

Finding the Fourth Proportional to 36,487.85, 50,358.11 and 21,386.48

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Solution

The fourth proportional to 36,487.85, 50,358.11 and 21,386.48 is: 29,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,487.85 : 50,358.11 = 21,386.48 : x
  2. Step 2: Convert to fraction form
    36,487.85/50,358.11 = 21,386.48/x
  3. Step 3: Cross multiply
    36,487.85x = 50,358.11 × 21,386.48
  4. Step 4: Simplify right side
    36,487.85x = 1,076,982,353.63
  5. Step 5: Solve for x
    x = 1,076,982,353.63/36,487.85
  6. Step 6: Final answer
    x = 29,516.20

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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.