Home / 52,060.98-78,090.77-12,618.44

Finding the Fourth Proportional to 52,060.98, 78,090.77 and 12,618.44

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Solution

The fourth proportional to 52,060.98, 78,090.77 and 12,618.44 is: 18,927.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,060.98 : 78,090.77 = 12,618.44 : x
  2. Step 2: Convert to fraction form
    52,060.98/78,090.77 = 12,618.44/x
  3. Step 3: Cross multiply
    52,060.98x = 78,090.77 × 12,618.44
  4. Step 4: Simplify right side
    52,060.98x = 985,383,336.89
  5. Step 5: Solve for x
    x = 985,383,336.89/52,060.98
  6. Step 6: Final answer
    x = 18,927.48

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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.