Home / 30,730.81-46,080.76-17,912.10

Finding the Fourth Proportional to 30,730.81, 46,080.76 and 17,912.10

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Solution

The fourth proportional to 30,730.81, 46,080.76 and 17,912.10 is: 26,859.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,730.81 : 46,080.76 = 17,912.10 : x
  2. Step 2: Convert to fraction form
    30,730.81/46,080.76 = 17,912.10/x
  3. Step 3: Cross multiply
    30,730.81x = 46,080.76 × 17,912.10
  4. Step 4: Simplify right side
    30,730.81x = 825,403,181.20
  5. Step 5: Solve for x
    x = 825,403,181.20/30,730.81
  6. Step 6: Final answer
    x = 26,859.14

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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.