Home / 32,721.36-49,077.18-11,940

Finding the Fourth Proportional to 32,721.36, 49,077.18 and 11,940

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Solution

The fourth proportional to 32,721.36, 49,077.18 and 11,940 is: 17,908.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,721.36 : 49,077.18 = 11,940 : x
  2. Step 2: Convert to fraction form
    32,721.36/49,077.18 = 11,940/x
  3. Step 3: Cross multiply
    32,721.36x = 49,077.18 × 11,940
  4. Step 4: Simplify right side
    32,721.36x = 585,981,529.20
  5. Step 5: Solve for x
    x = 585,981,529.20/32,721.36
  6. Step 6: Final answer
    x = 17,908.23

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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.