Home / 32,946.10-49,419.15-19,791.70

Finding the Fourth Proportional to 32,946.10, 49,419.15 and 19,791.70

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Solution

The fourth proportional to 32,946.10, 49,419.15 and 19,791.70 is: 29,687.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,946.10 : 49,419.15 = 19,791.70 : x
  2. Step 2: Convert to fraction form
    32,946.10/49,419.15 = 19,791.70/x
  3. Step 3: Cross multiply
    32,946.10x = 49,419.15 × 19,791.70
  4. Step 4: Simplify right side
    32,946.10x = 978,088,991.06
  5. Step 5: Solve for x
    x = 978,088,991.06/32,946.10
  6. Step 6: Final answer
    x = 29,687.55

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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.