Home / 45,420.93-68,032.89-21,998.25

Finding the Fourth Proportional to 45,420.93, 68,032.89 and 21,998.25

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Solution

The fourth proportional to 45,420.93, 68,032.89 and 21,998.25 is: 32,949.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,420.93 : 68,032.89 = 21,998.25 : x
  2. Step 2: Convert to fraction form
    45,420.93/68,032.89 = 21,998.25/x
  3. Step 3: Cross multiply
    45,420.93x = 68,032.89 × 21,998.25
  4. Step 4: Simplify right side
    45,420.93x = 1,496,604,522.44
  5. Step 5: Solve for x
    x = 1,496,604,522.44/45,420.93
  6. Step 6: Final answer
    x = 32,949.67

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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.