Home / 30,643.88-45,922.62-13,962.92

Finding the Fourth Proportional to 30,643.88, 45,922.62 and 13,962.92

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Solution

The fourth proportional to 30,643.88, 45,922.62 and 13,962.92 is: 20,924.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,643.88 : 45,922.62 = 13,962.92 : x
  2. Step 2: Convert to fraction form
    30,643.88/45,922.62 = 13,962.92/x
  3. Step 3: Cross multiply
    30,643.88x = 45,922.62 × 13,962.92
  4. Step 4: Simplify right side
    30,643.88x = 641,213,869.25
  5. Step 5: Solve for x
    x = 641,213,869.25/30,643.88
  6. Step 6: Final answer
    x = 20,924.70

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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.