Home / 30,905.37-46,589.70-28,845.56

Finding the Fourth Proportional to 30,905.37, 46,589.70 and 28,845.56

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Solution

The fourth proportional to 30,905.37, 46,589.70 and 28,845.56 is: 43,484.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,905.37 : 46,589.70 = 28,845.56 : x
  2. Step 2: Convert to fraction form
    30,905.37/46,589.70 = 28,845.56/x
  3. Step 3: Cross multiply
    30,905.37x = 46,589.70 × 28,845.56
  4. Step 4: Simplify right side
    30,905.37x = 1,343,905,787.05
  5. Step 5: Solve for x
    x = 1,343,905,787.05/30,905.37
  6. Step 6: Final answer
    x = 43,484.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.