Home / 30,258.36-41,757.12-17,690.40

Finding the Fourth Proportional to 30,258.36, 41,757.12 and 17,690.40

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Solution

The fourth proportional to 30,258.36, 41,757.12 and 17,690.40 is: 24,413.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,258.36 : 41,757.12 = 17,690.40 : x
  2. Step 2: Convert to fraction form
    30,258.36/41,757.12 = 17,690.40/x
  3. Step 3: Cross multiply
    30,258.36x = 41,757.12 × 17,690.40
  4. Step 4: Simplify right side
    30,258.36x = 738,700,155.65
  5. Step 5: Solve for x
    x = 738,700,155.65/30,258.36
  6. Step 6: Final answer
    x = 24,413.09

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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.