Home / 45,359.76-68,037.75-13,768.68

Finding the Fourth Proportional to 45,359.76, 68,037.75 and 13,768.68

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Solution

The fourth proportional to 45,359.76, 68,037.75 and 13,768.68 is: 20,652.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,359.76 : 68,037.75 = 13,768.68 : x
  2. Step 2: Convert to fraction form
    45,359.76/68,037.75 = 13,768.68/x
  3. Step 3: Cross multiply
    45,359.76x = 68,037.75 × 13,768.68
  4. Step 4: Simplify right side
    45,359.76x = 936,790,007.67
  5. Step 5: Solve for x
    x = 936,790,007.67/45,359.76
  6. Step 6: Final answer
    x = 20,652.45

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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.