Home / 45,453.01-68,183.47-13,870.19

Finding the Fourth Proportional to 45,453.01, 68,183.47 and 13,870.19

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Solution

The fourth proportional to 45,453.01, 68,183.47 and 13,870.19 is: 20,806.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,453.01 : 68,183.47 = 13,870.19 : x
  2. Step 2: Convert to fraction form
    45,453.01/68,183.47 = 13,870.19/x
  3. Step 3: Cross multiply
    45,453.01x = 68,183.47 × 13,870.19
  4. Step 4: Simplify right side
    45,453.01x = 945,717,683.76
  5. Step 5: Solve for x
    x = 945,717,683.76/45,453.01
  6. Step 6: Final answer
    x = 20,806.49

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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.