Home / 36,840.88-55,266.81-13,146.58

Finding the Fourth Proportional to 36,840.88, 55,266.81 and 13,146.58

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Solution

The fourth proportional to 36,840.88, 55,266.81 and 13,146.58 is: 19,721.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,840.88 : 55,266.81 = 13,146.58 : x
  2. Step 2: Convert to fraction form
    36,840.88/55,266.81 = 13,146.58/x
  3. Step 3: Cross multiply
    36,840.88x = 55,266.81 × 13,146.58
  4. Step 4: Simplify right side
    36,840.88x = 726,569,539.01
  5. Step 5: Solve for x
    x = 726,569,539.01/36,840.88
  6. Step 6: Final answer
    x = 19,721.83

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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.