Home / 34,123.21-51,164.66-13,064.79

Finding the Fourth Proportional to 34,123.21, 51,164.66 and 13,064.79

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Solution

The fourth proportional to 34,123.21, 51,164.66 and 13,064.79 is: 19,589.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,123.21 : 51,164.66 = 13,064.79 : x
  2. Step 2: Convert to fraction form
    34,123.21/51,164.66 = 13,064.79/x
  3. Step 3: Cross multiply
    34,123.21x = 51,164.66 × 13,064.79
  4. Step 4: Simplify right side
    34,123.21x = 668,455,538.32
  5. Step 5: Solve for x
    x = 668,455,538.32/34,123.21
  6. Step 6: Final answer
    x = 19,589.47

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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.