Home / 30,048.90-45,074.42-10,327.32

Finding the Fourth Proportional to 30,048.90, 45,074.42 and 10,327.32

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Solution

The fourth proportional to 30,048.90, 45,074.42 and 10,327.32 is: 15,491.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,048.90 : 45,074.42 = 10,327.32 : x
  2. Step 2: Convert to fraction form
    30,048.90/45,074.42 = 10,327.32/x
  3. Step 3: Cross multiply
    30,048.90x = 45,074.42 × 10,327.32
  4. Step 4: Simplify right side
    30,048.90x = 465,498,076.55
  5. Step 5: Solve for x
    x = 465,498,076.55/30,048.90
  6. Step 6: Final answer
    x = 15,491.35

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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.