Home / 45,235.20-62,445.96-30,153

Finding the Fourth Proportional to 45,235.20, 62,445.96 and 30,153

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Solution

The fourth proportional to 45,235.20, 62,445.96 and 30,153 is: 41,625.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,235.20 : 62,445.96 = 30,153 : x
  2. Step 2: Convert to fraction form
    45,235.20/62,445.96 = 30,153/x
  3. Step 3: Cross multiply
    45,235.20x = 62,445.96 × 30,153
  4. Step 4: Simplify right side
    45,235.20x = 1,882,933,031.88
  5. Step 5: Solve for x
    x = 1,882,933,031.88/45,235.20
  6. Step 6: Final answer
    x = 41,625.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.