Home / 34,890.23-48,148.76-18,974.80

Finding the Fourth Proportional to 34,890.23, 48,148.76 and 18,974.80

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Solution

The fourth proportional to 34,890.23, 48,148.76 and 18,974.80 is: 26,185.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,890.23 : 48,148.76 = 18,974.80 : x
  2. Step 2: Convert to fraction form
    34,890.23/48,148.76 = 18,974.80/x
  3. Step 3: Cross multiply
    34,890.23x = 48,148.76 × 18,974.80
  4. Step 4: Simplify right side
    34,890.23x = 913,612,876.00
  5. Step 5: Solve for x
    x = 913,612,876.00/34,890.23
  6. Step 6: Final answer
    x = 26,185.35

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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.