Home / 35,790.82-49,395.87-21,643.75

Finding the Fourth Proportional to 35,790.82, 49,395.87 and 21,643.75

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Solution

The fourth proportional to 35,790.82, 49,395.87 and 21,643.75 is: 29,871.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,790.82 : 49,395.87 = 21,643.75 : x
  2. Step 2: Convert to fraction form
    35,790.82/49,395.87 = 21,643.75/x
  3. Step 3: Cross multiply
    35,790.82x = 49,395.87 × 21,643.75
  4. Step 4: Simplify right side
    35,790.82x = 1,069,111,861.31
  5. Step 5: Solve for x
    x = 1,069,111,861.31/35,790.82
  6. Step 6: Final answer
    x = 29,871.12

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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.