Home / 30,801.89-46,202.43-7,428.14

Finding the Fourth Proportional to 30,801.89, 46,202.43 and 7,428.14

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Solution

The fourth proportional to 30,801.89, 46,202.43 and 7,428.14 is: 11,142.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,801.89 : 46,202.43 = 7,428.14 : x
  2. Step 2: Convert to fraction form
    30,801.89/46,202.43 = 7,428.14/x
  3. Step 3: Cross multiply
    30,801.89x = 46,202.43 × 7,428.14
  4. Step 4: Simplify right side
    30,801.89x = 343,198,118.38
  5. Step 5: Solve for x
    x = 343,198,118.38/30,801.89
  6. Step 6: Final answer
    x = 11,142.11

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1.5x scale

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.