Home / 36,015.02-54,028.86-12,316.98

Finding the Fourth Proportional to 36,015.02, 54,028.86 and 12,316.98

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Solution

The fourth proportional to 36,015.02, 54,028.86 and 12,316.98 is: 18,477.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,015.02 : 54,028.86 = 12,316.98 : x
  2. Step 2: Convert to fraction form
    36,015.02/54,028.86 = 12,316.98/x
  3. Step 3: Cross multiply
    36,015.02x = 54,028.86 × 12,316.98
  4. Step 4: Simplify right side
    36,015.02x = 665,472,388.04
  5. Step 5: Solve for x
    x = 665,472,388.04/36,015.02
  6. Step 6: Final answer
    x = 18,477.63

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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.