Home / 34,416.20-47,497.08-20,271.80

Finding the Fourth Proportional to 34,416.20, 47,497.08 and 20,271.80

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Solution

The fourth proportional to 34,416.20, 47,497.08 and 20,271.80 is: 27,976.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,416.20 : 47,497.08 = 20,271.80 : x
  2. Step 2: Convert to fraction form
    34,416.20/47,497.08 = 20,271.80/x
  3. Step 3: Cross multiply
    34,416.20x = 47,497.08 × 20,271.80
  4. Step 4: Simplify right side
    34,416.20x = 962,851,306.34
  5. Step 5: Solve for x
    x = 962,851,306.34/34,416.20
  6. Step 6: Final answer
    x = 27,976.69

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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.