Home / 33,666.78-46,457.40-19,520.55

Finding the Fourth Proportional to 33,666.78, 46,457.40 and 19,520.55

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Solution

The fourth proportional to 33,666.78, 46,457.40 and 19,520.55 is: 26,936.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,666.78 : 46,457.40 = 19,520.55 : x
  2. Step 2: Convert to fraction form
    33,666.78/46,457.40 = 19,520.55/x
  3. Step 3: Cross multiply
    33,666.78x = 46,457.40 × 19,520.55
  4. Step 4: Simplify right side
    33,666.78x = 906,873,999.57
  5. Step 5: Solve for x
    x = 906,873,999.57/33,666.78
  6. Step 6: Final answer
    x = 26,936.76

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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.