Home / 30,669.96-46,022.79-12,899.33

Finding the Fourth Proportional to 30,669.96, 46,022.79 and 12,899.33

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Solution

The fourth proportional to 30,669.96, 46,022.79 and 12,899.33 is: 19,356.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,669.96 : 46,022.79 = 12,899.33 : x
  2. Step 2: Convert to fraction form
    30,669.96/46,022.79 = 12,899.33/x
  3. Step 3: Cross multiply
    30,669.96x = 46,022.79 × 12,899.33
  4. Step 4: Simplify right side
    30,669.96x = 593,662,925.62
  5. Step 5: Solve for x
    x = 593,662,925.62/30,669.96
  6. Step 6: Final answer
    x = 19,356.49

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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.