Home / 35,558.79-49,063.48-21,214.77

Finding the Fourth Proportional to 35,558.79, 49,063.48 and 21,214.77

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Solution

The fourth proportional to 35,558.79, 49,063.48 and 21,214.77 is: 29,271.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,558.79 : 49,063.48 = 21,214.77 : x
  2. Step 2: Convert to fraction form
    35,558.79/49,063.48 = 21,214.77/x
  3. Step 3: Cross multiply
    35,558.79x = 49,063.48 × 21,214.77
  4. Step 4: Simplify right side
    35,558.79x = 1,040,870,443.60
  5. Step 5: Solve for x
    x = 1,040,870,443.60/35,558.79
  6. Step 6: Final answer
    x = 29,271.82

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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.