Home / 35,211.75-48,577.37-21,759.68

Finding the Fourth Proportional to 35,211.75, 48,577.37 and 21,759.68

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Solution

The fourth proportional to 35,211.75, 48,577.37 and 21,759.68 is: 30,019.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,211.75 : 48,577.37 = 21,759.68 : x
  2. Step 2: Convert to fraction form
    35,211.75/48,577.37 = 21,759.68/x
  3. Step 3: Cross multiply
    35,211.75x = 48,577.37 × 21,759.68
  4. Step 4: Simplify right side
    35,211.75x = 1,057,027,674.76
  5. Step 5: Solve for x
    x = 1,057,027,674.76/35,211.75
  6. Step 6: Final answer
    x = 30,019.17

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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.