Home / 45,824.90-68,740.52-19,160.80

Finding the Fourth Proportional to 45,824.90, 68,740.52 and 19,160.80

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Solution

The fourth proportional to 45,824.90, 68,740.52 and 19,160.80 is: 28,742.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,824.90 : 68,740.52 = 19,160.80 : x
  2. Step 2: Convert to fraction form
    45,824.90/68,740.52 = 19,160.80/x
  3. Step 3: Cross multiply
    45,824.90x = 68,740.52 × 19,160.80
  4. Step 4: Simplify right side
    45,824.90x = 1,317,123,087.96
  5. Step 5: Solve for x
    x = 1,317,123,087.96/45,824.90
  6. Step 6: Final answer
    x = 28,742.52

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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.