Home / 34,369.81-51,538.41-13,319.66

Finding the Fourth Proportional to 34,369.81, 51,538.41 and 13,319.66

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Solution

The fourth proportional to 34,369.81, 51,538.41 and 13,319.66 is: 19,973.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,369.81 : 51,538.41 = 13,319.66 : x
  2. Step 2: Convert to fraction form
    34,369.81/51,538.41 = 13,319.66/x
  3. Step 3: Cross multiply
    34,369.81x = 51,538.41 × 13,319.66
  4. Step 4: Simplify right side
    34,369.81x = 686,474,226.99
  5. Step 5: Solve for x
    x = 686,474,226.99/34,369.81
  6. Step 6: Final answer
    x = 19,973.18

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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.