Home / 45,534.74-68,310.32-20,586.53

Finding the Fourth Proportional to 45,534.74, 68,310.32 and 20,586.53

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Solution

The fourth proportional to 45,534.74, 68,310.32 and 20,586.53 is: 30,883.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,534.74 : 68,310.32 = 20,586.53 : x
  2. Step 2: Convert to fraction form
    45,534.74/68,310.32 = 20,586.53/x
  3. Step 3: Cross multiply
    45,534.74x = 68,310.32 × 20,586.53
  4. Step 4: Simplify right side
    45,534.74x = 1,406,272,451.99
  5. Step 5: Solve for x
    x = 1,406,272,451.99/45,534.74
  6. Step 6: Final answer
    x = 30,883.51

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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.