Home / 34,569.59-47,706.67-20,422.43

Finding the Fourth Proportional to 34,569.59, 47,706.67 and 20,422.43

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Solution

The fourth proportional to 34,569.59, 47,706.67 and 20,422.43 is: 28,183.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,569.59 : 47,706.67 = 20,422.43 : x
  2. Step 2: Convert to fraction form
    34,569.59/47,706.67 = 20,422.43/x
  3. Step 3: Cross multiply
    34,569.59x = 47,706.67 × 20,422.43
  4. Step 4: Simplify right side
    34,569.59x = 974,286,094.50
  5. Step 5: Solve for x
    x = 974,286,094.50/34,569.59
  6. Step 6: Final answer
    x = 28,183.33

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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.