Home / 38,811.12-58,216.44-11,109.20

Finding the Fourth Proportional to 38,811.12, 58,216.44 and 11,109.20

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Solution

The fourth proportional to 38,811.12, 58,216.44 and 11,109.20 is: 16,663.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,811.12 : 58,216.44 = 11,109.20 : x
  2. Step 2: Convert to fraction form
    38,811.12/58,216.44 = 11,109.20/x
  3. Step 3: Cross multiply
    38,811.12x = 58,216.44 × 11,109.20
  4. Step 4: Simplify right side
    38,811.12x = 646,738,075.25
  5. Step 5: Solve for x
    x = 646,738,075.25/38,811.12
  6. Step 6: Final answer
    x = 16,663.73

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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.