Home / 36,423.78-50,265.36-20,508.18

Finding the Fourth Proportional to 36,423.78, 50,265.36 and 20,508.18

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Solution

The fourth proportional to 36,423.78, 50,265.36 and 20,508.18 is: 28,301.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,423.78 : 50,265.36 = 20,508.18 : x
  2. Step 2: Convert to fraction form
    36,423.78/50,265.36 = 20,508.18/x
  3. Step 3: Cross multiply
    36,423.78x = 50,265.36 × 20,508.18
  4. Step 4: Simplify right side
    36,423.78x = 1,030,851,050.64
  5. Step 5: Solve for x
    x = 1,030,851,050.64/36,423.78
  6. Step 6: Final answer
    x = 28,301.59

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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.