Home / 35,518.98-49,022.54-21,179.74

Finding the Fourth Proportional to 35,518.98, 49,022.54 and 21,179.74

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Solution

The fourth proportional to 35,518.98, 49,022.54 and 21,179.74 is: 29,231.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,518.98 : 49,022.54 = 21,179.74 : x
  2. Step 2: Convert to fraction form
    35,518.98/49,022.54 = 21,179.74/x
  3. Step 3: Cross multiply
    35,518.98x = 49,022.54 × 21,179.74
  4. Step 4: Simplify right side
    35,518.98x = 1,038,284,704.29
  5. Step 5: Solve for x
    x = 1,038,284,704.29/35,518.98
  6. Step 6: Final answer
    x = 29,231.83

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1.5x scale

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.