Home / 30,450.42-45,675.54-10,726.74

Finding the Fourth Proportional to 30,450.42, 45,675.54 and 10,726.74

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Solution

The fourth proportional to 30,450.42, 45,675.54 and 10,726.74 is: 16,090.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,450.42 : 45,675.54 = 10,726.74 : x
  2. Step 2: Convert to fraction form
    30,450.42/45,675.54 = 10,726.74/x
  3. Step 3: Cross multiply
    30,450.42x = 45,675.54 × 10,726.74
  4. Step 4: Simplify right side
    30,450.42x = 489,949,641.94
  5. Step 5: Solve for x
    x = 489,949,641.94/30,450.42
  6. Step 6: Final answer
    x = 16,090.08

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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.