Home / 30,729.81-46,079.27-17,911.10

Finding the Fourth Proportional to 30,729.81, 46,079.27 and 17,911.10

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Solution

The fourth proportional to 30,729.81, 46,079.27 and 17,911.10 is: 26,857.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,729.81 : 46,079.27 = 17,911.10 : x
  2. Step 2: Convert to fraction form
    30,729.81/46,079.27 = 17,911.10/x
  3. Step 3: Cross multiply
    30,729.81x = 46,079.27 × 17,911.10
  4. Step 4: Simplify right side
    30,729.81x = 825,330,438.54
  5. Step 5: Solve for x
    x = 825,330,438.54/30,729.81
  6. Step 6: Final answer
    x = 26,857.65

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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.