Home / 36,976.72-55,486.96-13,619.60

Finding the Fourth Proportional to 36,976.72, 55,486.96 and 13,619.60

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Solution

The fourth proportional to 36,976.72, 55,486.96 and 13,619.60 is: 20,437.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,976.72 : 55,486.96 = 13,619.60 : x
  2. Step 2: Convert to fraction form
    36,976.72/55,486.96 = 13,619.60/x
  3. Step 3: Cross multiply
    36,976.72x = 55,486.96 × 13,619.60
  4. Step 4: Simplify right side
    36,976.72x = 755,710,200.42
  5. Step 5: Solve for x
    x = 755,710,200.42/36,976.72
  6. Step 6: Final answer
    x = 20,437.46

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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.