Home / 45,525.75-62,803.20-30,422.12

Finding the Fourth Proportional to 45,525.75, 62,803.20 and 30,422.12

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Solution

The fourth proportional to 45,525.75, 62,803.20 and 30,422.12 is: 41,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,525.75 : 62,803.20 = 30,422.12 : x
  2. Step 2: Convert to fraction form
    45,525.75/62,803.20 = 30,422.12/x
  3. Step 3: Cross multiply
    45,525.75x = 62,803.20 × 30,422.12
  4. Step 4: Simplify right side
    45,525.75x = 1,910,606,486.78
  5. Step 5: Solve for x
    x = 1,910,606,486.78/45,525.75
  6. Step 6: Final answer
    x = 41,967.60

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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.