Home / 36,485.37-54,731.30-13,118.49

Finding the Fourth Proportional to 36,485.37, 54,731.30 and 13,118.49

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Solution

The fourth proportional to 36,485.37, 54,731.30 and 13,118.49 is: 19,678.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,485.37 : 54,731.30 = 13,118.49 : x
  2. Step 2: Convert to fraction form
    36,485.37/54,731.30 = 13,118.49/x
  3. Step 3: Cross multiply
    36,485.37x = 54,731.30 × 13,118.49
  4. Step 4: Simplify right side
    36,485.37x = 717,991,946.14
  5. Step 5: Solve for x
    x = 717,991,946.14/36,485.37
  6. Step 6: Final answer
    x = 19,678.90

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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.