Home / 45,480.08-68,222.64-13,894.94

Finding the Fourth Proportional to 45,480.08, 68,222.64 and 13,894.94

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Solution

The fourth proportional to 45,480.08, 68,222.64 and 13,894.94 is: 20,843.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,480.08 : 68,222.64 = 13,894.94 : x
  2. Step 2: Convert to fraction form
    45,480.08/68,222.64 = 13,894.94/x
  3. Step 3: Cross multiply
    45,480.08x = 68,222.64 × 13,894.94
  4. Step 4: Simplify right side
    45,480.08x = 947,949,148.33
  5. Step 5: Solve for x
    x = 947,949,148.33/45,480.08
  6. Step 6: Final answer
    x = 20,843.17

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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.