Home / 30,970.82-46,442.04-9,906.77

Finding the Fourth Proportional to 30,970.82, 46,442.04 and 9,906.77

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Solution

The fourth proportional to 30,970.82, 46,442.04 and 9,906.77 is: 14,855.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,970.82 : 46,442.04 = 9,906.77 : x
  2. Step 2: Convert to fraction form
    30,970.82/46,442.04 = 9,906.77/x
  3. Step 3: Cross multiply
    30,970.82x = 46,442.04 × 9,906.77
  4. Step 4: Simplify right side
    30,970.82x = 460,090,376.40
  5. Step 5: Solve for x
    x = 460,090,376.40/30,970.82
  6. Step 6: Final answer
    x = 14,855.61

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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.