Home / 36,019.02-54,022.05-21,210.60

Finding the Fourth Proportional to 36,019.02, 54,022.05 and 21,210.60

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Solution

The fourth proportional to 36,019.02, 54,022.05 and 21,210.60 is: 31,812.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,019.02 : 54,022.05 = 21,210.60 : x
  2. Step 2: Convert to fraction form
    36,019.02/54,022.05 = 21,210.60/x
  3. Step 3: Cross multiply
    36,019.02x = 54,022.05 × 21,210.60
  4. Step 4: Simplify right side
    36,019.02x = 1,145,840,093.73
  5. Step 5: Solve for x
    x = 1,145,840,093.73/36,019.02
  6. Step 6: Final answer
    x = 31,812.08

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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.