Home / 30,774.24-46,132.32-14,969.28

Finding the Fourth Proportional to 30,774.24, 46,132.32 and 14,969.28

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Solution

The fourth proportional to 30,774.24, 46,132.32 and 14,969.28 is: 22,439.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,774.24 : 46,132.32 = 14,969.28 : x
  2. Step 2: Convert to fraction form
    30,774.24/46,132.32 = 14,969.28/x
  3. Step 3: Cross multiply
    30,774.24x = 46,132.32 × 14,969.28
  4. Step 4: Simplify right side
    30,774.24x = 690,567,615.13
  5. Step 5: Solve for x
    x = 690,567,615.13/30,774.24
  6. Step 6: Final answer
    x = 22,439.79

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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.