Home / 44,679.36-66,916.94-21,322.20

Finding the Fourth Proportional to 44,679.36, 66,916.94 and 21,322.20

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Solution

The fourth proportional to 44,679.36, 66,916.94 and 21,322.20 is: 31,934.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,679.36 : 66,916.94 = 21,322.20 : x
  2. Step 2: Convert to fraction form
    44,679.36/66,916.94 = 21,322.20/x
  3. Step 3: Cross multiply
    44,679.36x = 66,916.94 × 21,322.20
  4. Step 4: Simplify right side
    44,679.36x = 1,426,816,378.07
  5. Step 5: Solve for x
    x = 1,426,816,378.07/44,679.36
  6. Step 6: Final answer
    x = 31,934.58

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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.