Home / 36,020.02-54,023.55-21,211.60

Finding the Fourth Proportional to 36,020.02, 54,023.55 and 21,211.60

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Solution

The fourth proportional to 36,020.02, 54,023.55 and 21,211.60 is: 31,813.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,020.02 : 54,023.55 = 21,211.60 : x
  2. Step 2: Convert to fraction form
    36,020.02/54,023.55 = 21,211.60/x
  3. Step 3: Cross multiply
    36,020.02x = 54,023.55 × 21,211.60
  4. Step 4: Simplify right side
    36,020.02x = 1,145,925,933.18
  5. Step 5: Solve for x
    x = 1,145,925,933.18/36,020.02
  6. Step 6: Final answer
    x = 31,813.58

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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.