Home / 30,643.47-45,922.68-13,962.74

Finding the Fourth Proportional to 30,643.47, 45,922.68 and 13,962.74

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Solution

The fourth proportional to 30,643.47, 45,922.68 and 13,962.74 is: 20,924.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,643.47 : 45,922.68 = 13,962.74 : x
  2. Step 2: Convert to fraction form
    30,643.47/45,922.68 = 13,962.74/x
  3. Step 3: Cross multiply
    30,643.47x = 45,922.68 × 13,962.74
  4. Step 4: Simplify right side
    30,643.47x = 641,206,211.33
  5. Step 5: Solve for x
    x = 641,206,211.33/30,643.47
  6. Step 6: Final answer
    x = 20,924.73

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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.