Home / 36,420.54-50,265.18-20,508.12

Finding the Fourth Proportional to 36,420.54, 50,265.18 and 20,508.12

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Solution

The fourth proportional to 36,420.54, 50,265.18 and 20,508.12 is: 28,303.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,420.54 : 50,265.18 = 20,508.12 : x
  2. Step 2: Convert to fraction form
    36,420.54/50,265.18 = 20,508.12/x
  3. Step 3: Cross multiply
    36,420.54x = 50,265.18 × 20,508.12
  4. Step 4: Simplify right side
    36,420.54x = 1,030,844,343.26
  5. Step 5: Solve for x
    x = 1,030,844,343.26/36,420.54
  6. Step 6: Final answer
    x = 28,303.93

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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.