Home / 38,847.34-58,262.58-13,889.12

Finding the Fourth Proportional to 38,847.34, 58,262.58 and 13,889.12

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Solution

The fourth proportional to 38,847.34, 58,262.58 and 13,889.12 is: 20,830.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,847.34 : 58,262.58 = 13,889.12 : x
  2. Step 2: Convert to fraction form
    38,847.34/58,262.58 = 13,889.12/x
  3. Step 3: Cross multiply
    38,847.34x = 58,262.58 × 13,889.12
  4. Step 4: Simplify right side
    38,847.34x = 809,215,673.82
  5. Step 5: Solve for x
    x = 809,215,673.82/38,847.34
  6. Step 6: Final answer
    x = 20,830.66

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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.