Home / 30,368.63-41,908.73-16,939.85

Finding the Fourth Proportional to 30,368.63, 41,908.73 and 16,939.85

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Solution

The fourth proportional to 30,368.63, 41,908.73 and 16,939.85 is: 23,376.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,368.63 : 41,908.73 = 16,939.85 : x
  2. Step 2: Convert to fraction form
    30,368.63/41,908.73 = 16,939.85/x
  3. Step 3: Cross multiply
    30,368.63x = 41,908.73 × 16,939.85
  4. Step 4: Simplify right side
    30,368.63x = 709,927,305.65
  5. Step 5: Solve for x
    x = 709,927,305.65/30,368.63
  6. Step 6: Final answer
    x = 23,376.99

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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.