Home / 30,447.09-45,670.77-10,714.95

Finding the Fourth Proportional to 30,447.09, 45,670.77 and 10,714.95

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Solution

The fourth proportional to 30,447.09, 45,670.77 and 10,714.95 is: 16,072.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,447.09 : 45,670.77 = 10,714.95 : x
  2. Step 2: Convert to fraction form
    30,447.09/45,670.77 = 10,714.95/x
  3. Step 3: Cross multiply
    30,447.09x = 45,670.77 × 10,714.95
  4. Step 4: Simplify right side
    30,447.09x = 489,360,017.01
  5. Step 5: Solve for x
    x = 489,360,017.01/30,447.09
  6. Step 6: Final answer
    x = 16,072.47

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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.