Home / 30,732.12-46,116.04-12,961.64

Finding the Fourth Proportional to 30,732.12, 46,116.04 and 12,961.64

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Solution

The fourth proportional to 30,732.12, 46,116.04 and 12,961.64 is: 19,449.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,732.12 : 46,116.04 = 12,961.64 : x
  2. Step 2: Convert to fraction form
    30,732.12/46,116.04 = 12,961.64/x
  3. Step 3: Cross multiply
    30,732.12x = 46,116.04 × 12,961.64
  4. Step 4: Simplify right side
    30,732.12x = 597,739,508.71
  5. Step 5: Solve for x
    x = 597,739,508.71/30,732.12
  6. Step 6: Final answer
    x = 19,449.99

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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.