Home / 33,577.12-46,334.73-20,145.70

Finding the Fourth Proportional to 33,577.12, 46,334.73 and 20,145.70

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Solution

The fourth proportional to 33,577.12, 46,334.73 and 20,145.70 is: 27,800.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,577.12 : 46,334.73 = 20,145.70 : x
  2. Step 2: Convert to fraction form
    33,577.12/46,334.73 = 20,145.70/x
  3. Step 3: Cross multiply
    33,577.12x = 46,334.73 × 20,145.70
  4. Step 4: Simplify right side
    33,577.12x = 933,445,570.16
  5. Step 5: Solve for x
    x = 933,445,570.16/33,577.12
  6. Step 6: Final answer
    x = 27,800.05

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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.