Home / 30,286.37-45,435.65-10,559.63

Finding the Fourth Proportional to 30,286.37, 45,435.65 and 10,559.63

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Solution

The fourth proportional to 30,286.37, 45,435.65 and 10,559.63 is: 15,841.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,286.37 : 45,435.65 = 10,559.63 : x
  2. Step 2: Convert to fraction form
    30,286.37/45,435.65 = 10,559.63/x
  3. Step 3: Cross multiply
    30,286.37x = 45,435.65 × 10,559.63
  4. Step 4: Simplify right side
    30,286.37x = 479,783,372.83
  5. Step 5: Solve for x
    x = 479,783,372.83/30,286.37
  6. Step 6: Final answer
    x = 15,841.56

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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.