Home / 31,569.85-47,354.84-12,836.67

Finding the Fourth Proportional to 31,569.85, 47,354.84 and 12,836.67

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Solution

The fourth proportional to 31,569.85, 47,354.84 and 12,836.67 is: 19,255.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,569.85 : 47,354.84 = 12,836.67 : x
  2. Step 2: Convert to fraction form
    31,569.85/47,354.84 = 12,836.67/x
  3. Step 3: Cross multiply
    31,569.85x = 47,354.84 × 12,836.67
  4. Step 4: Simplify right side
    31,569.85x = 607,878,453.98
  5. Step 5: Solve for x
    x = 607,878,453.98/31,569.85
  6. Step 6: Final answer
    x = 19,255.03

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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.