Home / 33,172.79-49,809.06-28,543.23

Finding the Fourth Proportional to 33,172.79, 49,809.06 and 28,543.23

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Solution

The fourth proportional to 33,172.79, 49,809.06 and 28,543.23 is: 42,857.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,172.79 : 49,809.06 = 28,543.23 : x
  2. Step 2: Convert to fraction form
    33,172.79/49,809.06 = 28,543.23/x
  3. Step 3: Cross multiply
    33,172.79x = 49,809.06 × 28,543.23
  4. Step 4: Simplify right side
    33,172.79x = 1,421,711,455.66
  5. Step 5: Solve for x
    x = 1,421,711,455.66/33,172.79
  6. Step 6: Final answer
    x = 42,857.77

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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.