Home / 40,955.36-61,450.32-20,179.04

Finding the Fourth Proportional to 40,955.36, 61,450.32 and 20,179.04

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Solution

The fourth proportional to 40,955.36, 61,450.32 and 20,179.04 is: 30,277.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,955.36 : 61,450.32 = 20,179.04 : x
  2. Step 2: Convert to fraction form
    40,955.36/61,450.32 = 20,179.04/x
  3. Step 3: Cross multiply
    40,955.36x = 61,450.32 × 20,179.04
  4. Step 4: Simplify right side
    40,955.36x = 1,240,008,465.29
  5. Step 5: Solve for x
    x = 1,240,008,465.29/40,955.36
  6. Step 6: Final answer
    x = 30,277.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.