Home / 30,656.88-46,003.04-12,886.12

Finding the Fourth Proportional to 30,656.88, 46,003.04 and 12,886.12

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Solution

The fourth proportional to 30,656.88, 46,003.04 and 12,886.12 is: 19,336.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,656.88 : 46,003.04 = 12,886.12 : x
  2. Step 2: Convert to fraction form
    30,656.88/46,003.04 = 12,886.12/x
  3. Step 3: Cross multiply
    30,656.88x = 46,003.04 × 12,886.12
  4. Step 4: Simplify right side
    30,656.88x = 592,800,735.20
  5. Step 5: Solve for x
    x = 592,800,735.20/30,656.88
  6. Step 6: Final answer
    x = 19,336.63

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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.