Home / 30,753.48-46,144.81-18,298.11

Finding the Fourth Proportional to 30,753.48, 46,144.81 and 18,298.11

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Solution

The fourth proportional to 30,753.48, 46,144.81 and 18,298.11 is: 27,455.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,753.48 : 46,144.81 = 18,298.11 : x
  2. Step 2: Convert to fraction form
    30,753.48/46,144.81 = 18,298.11/x
  3. Step 3: Cross multiply
    30,753.48x = 46,144.81 × 18,298.11
  4. Step 4: Simplify right side
    30,753.48x = 844,362,902.30
  5. Step 5: Solve for x
    x = 844,362,902.30/30,753.48
  6. Step 6: Final answer
    x = 27,455.85

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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.