Home / 20,033.13-30,051.72-5,242.18

Finding the Fourth Proportional to 20,033.13, 30,051.72 and 5,242.18

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Solution

The fourth proportional to 20,033.13, 30,051.72 and 5,242.18 is: 7,863.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.13 : 30,051.72 = 5,242.18 : x
  2. Step 2: Convert to fraction form
    20,033.13/30,051.72 = 5,242.18/x
  3. Step 3: Cross multiply
    20,033.13x = 30,051.72 × 5,242.18
  4. Step 4: Simplify right side
    20,033.13x = 157,536,525.55
  5. Step 5: Solve for x
    x = 157,536,525.55/20,033.13
  6. Step 6: Final answer
    x = 7,863.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.