Home / 34,445.12-51,657.35-12,255.57

Finding the Fourth Proportional to 34,445.12, 51,657.35 and 12,255.57

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Solution

The fourth proportional to 34,445.12, 51,657.35 and 12,255.57 is: 18,379.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,445.12 : 51,657.35 = 12,255.57 : x
  2. Step 2: Convert to fraction form
    34,445.12/51,657.35 = 12,255.57/x
  3. Step 3: Cross multiply
    34,445.12x = 51,657.35 × 12,255.57
  4. Step 4: Simplify right side
    34,445.12x = 633,090,207.66
  5. Step 5: Solve for x
    x = 633,090,207.66/34,445.12
  6. Step 6: Final answer
    x = 18,379.68

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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.