Home / 39,121.58-58,682.37-9,539.67

Finding the Fourth Proportional to 39,121.58, 58,682.37 and 9,539.67

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Solution

The fourth proportional to 39,121.58, 58,682.37 and 9,539.67 is: 14,309.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,121.58 : 58,682.37 = 9,539.67 : x
  2. Step 2: Convert to fraction form
    39,121.58/58,682.37 = 9,539.67/x
  3. Step 3: Cross multiply
    39,121.58x = 58,682.37 × 9,539.67
  4. Step 4: Simplify right side
    39,121.58x = 559,810,444.62
  5. Step 5: Solve for x
    x = 559,810,444.62/39,121.58
  6. Step 6: Final answer
    x = 14,309.51

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Double scale
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Similar ratio
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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.