Home / 45,407.33-68,113.56-13,818.43

Finding the Fourth Proportional to 45,407.33, 68,113.56 and 13,818.43

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Solution

The fourth proportional to 45,407.33, 68,113.56 and 13,818.43 is: 20,728.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,407.33 : 68,113.56 = 13,818.43 : x
  2. Step 2: Convert to fraction form
    45,407.33/68,113.56 = 13,818.43/x
  3. Step 3: Cross multiply
    45,407.33x = 68,113.56 × 13,818.43
  4. Step 4: Simplify right side
    45,407.33x = 941,222,214.73
  5. Step 5: Solve for x
    x = 941,222,214.73/45,407.33
  6. Step 6: Final answer
    x = 20,728.42

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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.