Home / 30,078.65-41,517.79-17,340.35

Finding the Fourth Proportional to 30,078.65, 41,517.79 and 17,340.35

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Solution

The fourth proportional to 30,078.65, 41,517.79 and 17,340.35 is: 23,935.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,078.65 : 41,517.79 = 17,340.35 : x
  2. Step 2: Convert to fraction form
    30,078.65/41,517.79 = 17,340.35/x
  3. Step 3: Cross multiply
    30,078.65x = 41,517.79 × 17,340.35
  4. Step 4: Simplify right side
    30,078.65x = 719,932,758.89
  5. Step 5: Solve for x
    x = 719,932,758.89/30,078.65
  6. Step 6: Final answer
    x = 23,935.01

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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.