Home / 46,121.19-69,182.39-12,840.45

Finding the Fourth Proportional to 46,121.19, 69,182.39 and 12,840.45

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Solution

The fourth proportional to 46,121.19, 69,182.39 and 12,840.45 is: 19,260.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,121.19 : 69,182.39 = 12,840.45 : x
  2. Step 2: Convert to fraction form
    46,121.19/69,182.39 = 12,840.45/x
  3. Step 3: Cross multiply
    46,121.19x = 69,182.39 × 12,840.45
  4. Step 4: Simplify right side
    46,121.19x = 888,333,019.68
  5. Step 5: Solve for x
    x = 888,333,019.68/46,121.19
  6. Step 6: Final answer
    x = 19,260.84

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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.