Home / 34,102.43-47,063.72-20,674.25

Finding the Fourth Proportional to 34,102.43, 47,063.72 and 20,674.25

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Solution

The fourth proportional to 34,102.43, 47,063.72 and 20,674.25 is: 28,531.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,102.43 : 47,063.72 = 20,674.25 : x
  2. Step 2: Convert to fraction form
    34,102.43/47,063.72 = 20,674.25/x
  3. Step 3: Cross multiply
    34,102.43x = 47,063.72 × 20,674.25
  4. Step 4: Simplify right side
    34,102.43x = 973,006,774.52
  5. Step 5: Solve for x
    x = 973,006,774.52/34,102.43
  6. Step 6: Final answer
    x = 28,531.89

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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.