Home / 36,469.52-54,683.40-21,688.76

Finding the Fourth Proportional to 36,469.52, 54,683.40 and 21,688.76

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Solution

The fourth proportional to 36,469.52, 54,683.40 and 21,688.76 is: 32,520.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,469.52 : 54,683.40 = 21,688.76 : x
  2. Step 2: Convert to fraction form
    36,469.52/54,683.40 = 21,688.76/x
  3. Step 3: Cross multiply
    36,469.52x = 54,683.40 × 21,688.76
  4. Step 4: Simplify right side
    36,469.52x = 1,186,015,138.58
  5. Step 5: Solve for x
    x = 1,186,015,138.58/36,469.52
  6. Step 6: Final answer
    x = 32,520.72

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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.