Home / 45,869.31-68,803.35-12,589.34

Finding the Fourth Proportional to 45,869.31, 68,803.35 and 12,589.34

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Solution

The fourth proportional to 45,869.31, 68,803.35 and 12,589.34 is: 18,883.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,869.31 : 68,803.35 = 12,589.34 : x
  2. Step 2: Convert to fraction form
    45,869.31/68,803.35 = 12,589.34/x
  3. Step 3: Cross multiply
    45,869.31x = 68,803.35 × 12,589.34
  4. Step 4: Simplify right side
    45,869.31x = 866,188,422.27
  5. Step 5: Solve for x
    x = 866,188,422.27/45,869.31
  6. Step 6: Final answer
    x = 18,883.83

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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.