Home / 45,358.20-68,037.48-13,768.56

Finding the Fourth Proportional to 45,358.20, 68,037.48 and 13,768.56

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Solution

The fourth proportional to 45,358.20, 68,037.48 and 13,768.56 is: 20,652.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,358.20 : 68,037.48 = 13,768.56 : x
  2. Step 2: Convert to fraction form
    45,358.20/68,037.48 = 13,768.56/x
  3. Step 3: Cross multiply
    45,358.20x = 68,037.48 × 13,768.56
  4. Step 4: Simplify right side
    45,358.20x = 936,778,125.63
  5. Step 5: Solve for x
    x = 936,778,125.63/45,358.20
  6. Step 6: Final answer
    x = 20,652.89

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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.