Home / 30,409.12-45,551.92-25,464.80

Finding the Fourth Proportional to 30,409.12, 45,551.92 and 25,464.80

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Solution

The fourth proportional to 30,409.12, 45,551.92 and 25,464.80 is: 38,145.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,409.12 : 45,551.92 = 25,464.80 : x
  2. Step 2: Convert to fraction form
    30,409.12/45,551.92 = 25,464.80/x
  3. Step 3: Cross multiply
    30,409.12x = 45,551.92 × 25,464.80
  4. Step 4: Simplify right side
    30,409.12x = 1,159,970,532.42
  5. Step 5: Solve for x
    x = 1,159,970,532.42/30,409.12
  6. Step 6: Final answer
    x = 38,145.48

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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.