Home / 30,366.56-45,551.10-14,780.54

Finding the Fourth Proportional to 30,366.56, 45,551.10 and 14,780.54

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Solution

The fourth proportional to 30,366.56, 45,551.10 and 14,780.54 is: 22,171.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,366.56 : 45,551.10 = 14,780.54 : x
  2. Step 2: Convert to fraction form
    30,366.56/45,551.10 = 14,780.54/x
  3. Step 3: Cross multiply
    30,366.56x = 45,551.10 × 14,780.54
  4. Step 4: Simplify right side
    30,366.56x = 673,269,855.59
  5. Step 5: Solve for x
    x = 673,269,855.59/30,366.56
  6. Step 6: Final answer
    x = 22,171.42

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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.