Home / 33,918.12-46,807.98-20,491.77

Finding the Fourth Proportional to 33,918.12, 46,807.98 and 20,491.77

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Solution

The fourth proportional to 33,918.12, 46,807.98 and 20,491.77 is: 28,279.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,918.12 : 46,807.98 = 20,491.77 : x
  2. Step 2: Convert to fraction form
    33,918.12/46,807.98 = 20,491.77/x
  3. Step 3: Cross multiply
    33,918.12x = 46,807.98 × 20,491.77
  4. Step 4: Simplify right side
    33,918.12x = 959,178,360.32
  5. Step 5: Solve for x
    x = 959,178,360.32/33,918.12
  6. Step 6: Final answer
    x = 28,279.23

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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.