Home / 34,423.50-47,497.11-20,271.18

Finding the Fourth Proportional to 34,423.50, 47,497.11 and 20,271.18

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Solution

The fourth proportional to 34,423.50, 47,497.11 and 20,271.18 is: 27,969.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,423.50 : 47,497.11 = 20,271.18 : x
  2. Step 2: Convert to fraction form
    34,423.50/47,497.11 = 20,271.18/x
  3. Step 3: Cross multiply
    34,423.50x = 47,497.11 × 20,271.18
  4. Step 4: Simplify right side
    34,423.50x = 962,822,466.29
  5. Step 5: Solve for x
    x = 962,822,466.29/34,423.50
  6. Step 6: Final answer
    x = 27,969.92

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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.