Home / 30,760.20-46,118.16-18,250.56

Finding the Fourth Proportional to 30,760.20, 46,118.16 and 18,250.56

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Solution

The fourth proportional to 30,760.20, 46,118.16 and 18,250.56 is: 27,362.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,760.20 : 46,118.16 = 18,250.56 : x
  2. Step 2: Convert to fraction form
    30,760.20/46,118.16 = 18,250.56/x
  3. Step 3: Cross multiply
    30,760.20x = 46,118.16 × 18,250.56
  4. Step 4: Simplify right side
    30,760.20x = 841,682,246.17
  5. Step 5: Solve for x
    x = 841,682,246.17/30,760.20
  6. Step 6: Final answer
    x = 27,362.70

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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.