Home / 34,211.57-51,322.61-12,020.00

Finding the Fourth Proportional to 34,211.57, 51,322.61 and 12,020.00

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Solution

The fourth proportional to 34,211.57, 51,322.61 and 12,020.00 is: 18,031.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,211.57 : 51,322.61 = 12,020.00 : x
  2. Step 2: Convert to fraction form
    34,211.57/51,322.61 = 12,020.00/x
  3. Step 3: Cross multiply
    34,211.57x = 51,322.61 × 12,020.00
  4. Step 4: Simplify right side
    34,211.57x = 616,897,545.64
  5. Step 5: Solve for x
    x = 616,897,545.64/34,211.57
  6. Step 6: Final answer
    x = 18,031.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.