Home / 45,419.18-68,030.30-21,996.50

Finding the Fourth Proportional to 45,419.18, 68,030.30 and 21,996.50

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Solution

The fourth proportional to 45,419.18, 68,030.30 and 21,996.50 is: 32,947.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,419.18 : 68,030.30 = 21,996.50 : x
  2. Step 2: Convert to fraction form
    45,419.18/68,030.30 = 21,996.50/x
  3. Step 3: Cross multiply
    45,419.18x = 68,030.30 × 21,996.50
  4. Step 4: Simplify right side
    45,419.18x = 1,496,428,493.95
  5. Step 5: Solve for x
    x = 1,496,428,493.95/45,419.18
  6. Step 6: Final answer
    x = 32,947.06

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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.