Home / 30,264.80-45,414.96-12,733.28

Finding the Fourth Proportional to 30,264.80, 45,414.96 and 12,733.28

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Solution

The fourth proportional to 30,264.80, 45,414.96 and 12,733.28 is: 19,107.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,264.80 : 45,414.96 = 12,733.28 : x
  2. Step 2: Convert to fraction form
    30,264.80/45,414.96 = 12,733.28/x
  3. Step 3: Cross multiply
    30,264.80x = 45,414.96 × 12,733.28
  4. Step 4: Simplify right side
    30,264.80x = 578,281,401.87
  5. Step 5: Solve for x
    x = 578,281,401.87/30,264.80
  6. Step 6: Final answer
    x = 19,107.39

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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.