Home / 34,706.85-47,895.76-20,366.89

Finding the Fourth Proportional to 34,706.85, 47,895.76 and 20,366.89

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Solution

The fourth proportional to 34,706.85, 47,895.76 and 20,366.89 is: 28,106.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,706.85 : 47,895.76 = 20,366.89 : x
  2. Step 2: Convert to fraction form
    34,706.85/47,895.76 = 20,366.89/x
  3. Step 3: Cross multiply
    34,706.85x = 47,895.76 × 20,366.89
  4. Step 4: Simplify right side
    34,706.85x = 975,487,735.96
  5. Step 5: Solve for x
    x = 975,487,735.96/34,706.85
  6. Step 6: Final answer
    x = 28,106.49

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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.