Home / 45,529.56-68,269.59-20,540.34

Finding the Fourth Proportional to 45,529.56, 68,269.59 and 20,540.34

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Solution

The fourth proportional to 45,529.56, 68,269.59 and 20,540.34 is: 30,799.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,529.56 : 68,269.59 = 20,540.34 : x
  2. Step 2: Convert to fraction form
    45,529.56/68,269.59 = 20,540.34/x
  3. Step 3: Cross multiply
    45,529.56x = 68,269.59 × 20,540.34
  4. Step 4: Simplify right side
    45,529.56x = 1,402,280,590.26
  5. Step 5: Solve for x
    x = 1,402,280,590.26/45,529.56
  6. Step 6: Final answer
    x = 30,799.34

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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.