Home / 34,638.50-51,944.98-12,445.92

Finding the Fourth Proportional to 34,638.50, 51,944.98 and 12,445.92

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Solution

The fourth proportional to 34,638.50, 51,944.98 and 12,445.92 is: 18,664.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,638.50 : 51,944.98 = 12,445.92 : x
  2. Step 2: Convert to fraction form
    34,638.50/51,944.98 = 12,445.92/x
  3. Step 3: Cross multiply
    34,638.50x = 51,944.98 × 12,445.92
  4. Step 4: Simplify right side
    34,638.50x = 646,503,065.48
  5. Step 5: Solve for x
    x = 646,503,065.48/34,638.50
  6. Step 6: Final answer
    x = 18,664.29

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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.