Home / 30,272.45-45,408.93-10,550.98

Finding the Fourth Proportional to 30,272.45, 45,408.93 and 10,550.98

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Solution

The fourth proportional to 30,272.45, 45,408.93 and 10,550.98 is: 15,826.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,272.45 : 45,408.93 = 10,550.98 : x
  2. Step 2: Convert to fraction form
    30,272.45/45,408.93 = 10,550.98/x
  3. Step 3: Cross multiply
    30,272.45x = 45,408.93 × 10,550.98
  4. Step 4: Simplify right side
    30,272.45x = 479,108,511.58
  5. Step 5: Solve for x
    x = 479,108,511.58/30,272.45
  6. Step 6: Final answer
    x = 15,826.55

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1.5x scale

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.