Home / 35,840.82-53,727.65-12,131.78

Finding the Fourth Proportional to 35,840.82, 53,727.65 and 12,131.78

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Solution

The fourth proportional to 35,840.82, 53,727.65 and 12,131.78 is: 18,186.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,840.82 : 53,727.65 = 12,131.78 : x
  2. Step 2: Convert to fraction form
    35,840.82/53,727.65 = 12,131.78/x
  3. Step 3: Cross multiply
    35,840.82x = 53,727.65 × 12,131.78
  4. Step 4: Simplify right side
    35,840.82x = 651,811,745.91
  5. Step 5: Solve for x
    x = 651,811,745.91/35,840.82
  6. Step 6: Final answer
    x = 18,186.30

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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.