Home / 45,416.81-68,139.09-23,245.90

Finding the Fourth Proportional to 45,416.81, 68,139.09 and 23,245.90

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Solution

The fourth proportional to 45,416.81, 68,139.09 and 23,245.90 is: 34,875.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,416.81 : 68,139.09 = 23,245.90 : x
  2. Step 2: Convert to fraction form
    45,416.81/68,139.09 = 23,245.90/x
  3. Step 3: Cross multiply
    45,416.81x = 68,139.09 × 23,245.90
  4. Step 4: Simplify right side
    45,416.81x = 1,583,954,301.88
  5. Step 5: Solve for x
    x = 1,583,954,301.88/45,416.81
  6. Step 6: Final answer
    x = 34,875.95

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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.