Home / 45,782.55-68,722.36-40,551.50

Finding the Fourth Proportional to 45,782.55, 68,722.36 and 40,551.50

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Solution

The fourth proportional to 45,782.55, 68,722.36 and 40,551.50 is: 60,870.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,782.55 : 68,722.36 = 40,551.50 : x
  2. Step 2: Convert to fraction form
    45,782.55/68,722.36 = 40,551.50/x
  3. Step 3: Cross multiply
    45,782.55x = 68,722.36 × 40,551.50
  4. Step 4: Simplify right side
    45,782.55x = 2,786,794,851.97
  5. Step 5: Solve for x
    x = 2,786,794,851.97/45,782.55
  6. Step 6: Final answer
    x = 60,870.24

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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.