Home / 35,716.77-49,290.71-19,800.21

Finding the Fourth Proportional to 35,716.77, 49,290.71 and 19,800.21

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Solution

The fourth proportional to 35,716.77, 49,290.71 and 19,800.21 is: 27,325.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,716.77 : 49,290.71 = 19,800.21 : x
  2. Step 2: Convert to fraction form
    35,716.77/49,290.71 = 19,800.21/x
  3. Step 3: Cross multiply
    35,716.77x = 49,290.71 × 19,800.21
  4. Step 4: Simplify right side
    35,716.77x = 975,966,310.05
  5. Step 5: Solve for x
    x = 975,966,310.05/35,716.77
  6. Step 6: Final answer
    x = 27,325.16

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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.