Home / 30,368.51-41,908.61-16,940.63

Finding the Fourth Proportional to 30,368.51, 41,908.61 and 16,940.63

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Solution

The fourth proportional to 30,368.51, 41,908.61 and 16,940.63 is: 23,378.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,368.51 : 41,908.61 = 16,940.63 : x
  2. Step 2: Convert to fraction form
    30,368.51/41,908.61 = 16,940.63/x
  3. Step 3: Cross multiply
    30,368.51x = 41,908.61 × 16,940.63
  4. Step 4: Simplify right side
    30,368.51x = 709,957,961.58
  5. Step 5: Solve for x
    x = 709,957,961.58/30,368.51
  6. Step 6: Final answer
    x = 23,378.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.