Home / 30,812.04-46,229.64-18,339.24

Finding the Fourth Proportional to 30,812.04, 46,229.64 and 18,339.24

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Solution

The fourth proportional to 30,812.04, 46,229.64 and 18,339.24 is: 27,515.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,812.04 : 46,229.64 = 18,339.24 : x
  2. Step 2: Convert to fraction form
    30,812.04/46,229.64 = 18,339.24/x
  3. Step 3: Cross multiply
    30,812.04x = 46,229.64 × 18,339.24
  4. Step 4: Simplify right side
    30,812.04x = 847,816,463.07
  5. Step 5: Solve for x
    x = 847,816,463.07/30,812.04
  6. Step 6: Final answer
    x = 27,515.75

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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.