Home / 36,999.90-55,499.85-12,042.30

Finding the Fourth Proportional to 36,999.90, 55,499.85 and 12,042.30

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Solution

The fourth proportional to 36,999.90, 55,499.85 and 12,042.30 is: 18,063.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,999.90 : 55,499.85 = 12,042.30 : x
  2. Step 2: Convert to fraction form
    36,999.90/55,499.85 = 12,042.30/x
  3. Step 3: Cross multiply
    36,999.90x = 55,499.85 × 12,042.30
  4. Step 4: Simplify right side
    36,999.90x = 668,345,843.66
  5. Step 5: Solve for x
    x = 668,345,843.66/36,999.90
  6. Step 6: Final answer
    x = 18,063.45

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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.