Home / 30,920.94-46,319.58-14,258.16

Finding the Fourth Proportional to 30,920.94, 46,319.58 and 14,258.16

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Solution

The fourth proportional to 30,920.94, 46,319.58 and 14,258.16 is: 21,358.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,920.94 : 46,319.58 = 14,258.16 : x
  2. Step 2: Convert to fraction form
    30,920.94/46,319.58 = 14,258.16/x
  3. Step 3: Cross multiply
    30,920.94x = 46,319.58 × 14,258.16
  4. Step 4: Simplify right side
    30,920.94x = 660,431,982.77
  5. Step 5: Solve for x
    x = 660,431,982.77/30,920.94
  6. Step 6: Final answer
    x = 21,358.73

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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.