Home / 45,493.09-68,246-15,904.19

Finding the Fourth Proportional to 45,493.09, 68,246 and 15,904.19

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Solution

The fourth proportional to 45,493.09, 68,246 and 15,904.19 is: 23,858.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,493.09 : 68,246 = 15,904.19 : x
  2. Step 2: Convert to fraction form
    45,493.09/68,246 = 15,904.19/x
  3. Step 3: Cross multiply
    45,493.09x = 68,246 × 15,904.19
  4. Step 4: Simplify right side
    45,493.09x = 1,085,397,350.74
  5. Step 5: Solve for x
    x = 1,085,397,350.74/45,493.09
  6. Step 6: Final answer
    x = 23,858.51

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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.