Home / 30,930.66-46,399.64-23,188.68

Finding the Fourth Proportional to 30,930.66, 46,399.64 and 23,188.68

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Solution

The fourth proportional to 30,930.66, 46,399.64 and 23,188.68 is: 34,785.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,930.66 : 46,399.64 = 23,188.68 : x
  2. Step 2: Convert to fraction form
    30,930.66/46,399.64 = 23,188.68/x
  3. Step 3: Cross multiply
    30,930.66x = 46,399.64 × 23,188.68
  4. Step 4: Simplify right side
    30,930.66x = 1,075,946,288.13
  5. Step 5: Solve for x
    x = 1,075,946,288.13/30,930.66
  6. Step 6: Final answer
    x = 34,785.75

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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.