Home / 30,308-41,811.28-17,727.20

Finding the Fourth Proportional to 30,308, 41,811.28 and 17,727.20

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Solution

The fourth proportional to 30,308, 41,811.28 and 17,727.20 is: 24,455.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,308 : 41,811.28 = 17,727.20 : x
  2. Step 2: Convert to fraction form
    30,308/41,811.28 = 17,727.20/x
  3. Step 3: Cross multiply
    30,308x = 41,811.28 × 17,727.20
  4. Step 4: Simplify right side
    30,308x = 741,196,922.82
  5. Step 5: Solve for x
    x = 741,196,922.82/30,308
  6. Step 6: Final answer
    x = 24,455.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.