Home / 30,871.96-46,036.79-30,591.28

Finding the Fourth Proportional to 30,871.96, 46,036.79 and 30,591.28

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Solution

The fourth proportional to 30,871.96, 46,036.79 and 30,591.28 is: 45,618.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,871.96 : 46,036.79 = 30,591.28 : x
  2. Step 2: Convert to fraction form
    30,871.96/46,036.79 = 30,591.28/x
  3. Step 3: Cross multiply
    30,871.96x = 46,036.79 × 30,591.28
  4. Step 4: Simplify right side
    30,871.96x = 1,408,324,333.19
  5. Step 5: Solve for x
    x = 1,408,324,333.19/30,871.96
  6. Step 6: Final answer
    x = 45,618.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.