Home / 35,838.56-49,457.40-19,921.52

Finding the Fourth Proportional to 35,838.56, 49,457.40 and 19,921.52

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Solution

The fourth proportional to 35,838.56, 49,457.40 and 19,921.52 is: 27,491.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,838.56 : 49,457.40 = 19,921.52 : x
  2. Step 2: Convert to fraction form
    35,838.56/49,457.40 = 19,921.52/x
  3. Step 3: Cross multiply
    35,838.56x = 49,457.40 × 19,921.52
  4. Step 4: Simplify right side
    35,838.56x = 985,266,583.25
  5. Step 5: Solve for x
    x = 985,266,583.25/35,838.56
  6. Step 6: Final answer
    x = 27,491.80

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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.