Home / 31,783.16-47,674.74-12,057.03

Finding the Fourth Proportional to 31,783.16, 47,674.74 and 12,057.03

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Solution

The fourth proportional to 31,783.16, 47,674.74 and 12,057.03 is: 18,085.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,783.16 : 47,674.74 = 12,057.03 : x
  2. Step 2: Convert to fraction form
    31,783.16/47,674.74 = 12,057.03/x
  3. Step 3: Cross multiply
    31,783.16x = 47,674.74 × 12,057.03
  4. Step 4: Simplify right side
    31,783.16x = 574,815,770.42
  5. Step 5: Solve for x
    x = 574,815,770.42/31,783.16
  6. Step 6: Final answer
    x = 18,085.55

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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.