Home / 34,840.71-52,229.70-12,638.48

Finding the Fourth Proportional to 34,840.71, 52,229.70 and 12,638.48

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Solution

The fourth proportional to 34,840.71, 52,229.70 and 12,638.48 is: 18,946.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,840.71 : 52,229.70 = 12,638.48 : x
  2. Step 2: Convert to fraction form
    34,840.71/52,229.70 = 12,638.48/x
  3. Step 3: Cross multiply
    34,840.71x = 52,229.70 × 12,638.48
  4. Step 4: Simplify right side
    34,840.71x = 660,103,757.71
  5. Step 5: Solve for x
    x = 660,103,757.71/34,840.71
  6. Step 6: Final answer
    x = 18,946.33

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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.