Home / 30,233.37-45,326.37-19,116.75

Finding the Fourth Proportional to 30,233.37, 45,326.37 and 19,116.75

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Solution

The fourth proportional to 30,233.37, 45,326.37 and 19,116.75 is: 28,660.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,233.37 : 45,326.37 = 19,116.75 : x
  2. Step 2: Convert to fraction form
    30,233.37/45,326.37 = 19,116.75/x
  3. Step 3: Cross multiply
    30,233.37x = 45,326.37 × 19,116.75
  4. Step 4: Simplify right side
    30,233.37x = 866,492,883.70
  5. Step 5: Solve for x
    x = 866,492,883.70/30,233.37
  6. Step 6: Final answer
    x = 28,660.15

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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.