Home / 30,863.19-46,285.23-11,139.25

Finding the Fourth Proportional to 30,863.19, 46,285.23 and 11,139.25

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Solution

The fourth proportional to 30,863.19, 46,285.23 and 11,139.25 is: 16,705.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,863.19 : 46,285.23 = 11,139.25 : x
  2. Step 2: Convert to fraction form
    30,863.19/46,285.23 = 11,139.25/x
  3. Step 3: Cross multiply
    30,863.19x = 46,285.23 × 11,139.25
  4. Step 4: Simplify right side
    30,863.19x = 515,582,748.28
  5. Step 5: Solve for x
    x = 515,582,748.28/30,863.19
  6. Step 6: Final answer
    x = 16,705.43

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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.