Home / 36,281.75-50,068.08-20,148.21

Finding the Fourth Proportional to 36,281.75, 50,068.08 and 20,148.21

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Solution

The fourth proportional to 36,281.75, 50,068.08 and 20,148.21 is: 27,804.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,281.75 : 50,068.08 = 20,148.21 : x
  2. Step 2: Convert to fraction form
    36,281.75/50,068.08 = 20,148.21/x
  3. Step 3: Cross multiply
    36,281.75x = 50,068.08 × 20,148.21
  4. Step 4: Simplify right side
    36,281.75x = 1,008,782,190.14
  5. Step 5: Solve for x
    x = 1,008,782,190.14/36,281.75
  6. Step 6: Final answer
    x = 27,804.13

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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.