Home / 45,226.56-67,818.26-20,266.82

Finding the Fourth Proportional to 45,226.56, 67,818.26 and 20,266.82

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Solution

The fourth proportional to 45,226.56, 67,818.26 and 20,266.82 is: 30,390.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,226.56 : 67,818.26 = 20,266.82 : x
  2. Step 2: Convert to fraction form
    45,226.56/67,818.26 = 20,266.82/x
  3. Step 3: Cross multiply
    45,226.56x = 67,818.26 × 20,266.82
  4. Step 4: Simplify right side
    45,226.56x = 1,374,460,027.71
  5. Step 5: Solve for x
    x = 1,374,460,027.71/45,226.56
  6. Step 6: Final answer
    x = 30,390.55

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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.