Home / 34,266.30-47,292.84-20,841.78

Finding the Fourth Proportional to 34,266.30, 47,292.84 and 20,841.78

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Solution

The fourth proportional to 34,266.30, 47,292.84 and 20,841.78 is: 28,764.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,266.30 : 47,292.84 = 20,841.78 : x
  2. Step 2: Convert to fraction form
    34,266.30/47,292.84 = 20,841.78/x
  3. Step 3: Cross multiply
    34,266.30x = 47,292.84 × 20,841.78
  4. Step 4: Simplify right side
    34,266.30x = 985,666,966.86
  5. Step 5: Solve for x
    x = 985,666,966.86/34,266.30
  6. Step 6: Final answer
    x = 28,764.91

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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.