Home / 30,905.19-46,589.42-28,845.37

Finding the Fourth Proportional to 30,905.19, 46,589.42 and 28,845.37

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Solution

The fourth proportional to 30,905.19, 46,589.42 and 28,845.37 is: 43,484.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,905.19 : 46,589.42 = 28,845.37 : x
  2. Step 2: Convert to fraction form
    30,905.19/46,589.42 = 28,845.37/x
  3. Step 3: Cross multiply
    30,905.19x = 46,589.42 × 28,845.37
  4. Step 4: Simplify right side
    30,905.19x = 1,343,888,884.64
  5. Step 5: Solve for x
    x = 1,343,888,884.64/30,905.19
  6. Step 6: Final answer
    x = 43,484.25

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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.