Home / 42,524.72-63,745.70-20,332.34

Finding the Fourth Proportional to 42,524.72, 63,745.70 and 20,332.34

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Solution

The fourth proportional to 42,524.72, 63,745.70 and 20,332.34 is: 30,478.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,524.72 : 63,745.70 = 20,332.34 : x
  2. Step 2: Convert to fraction form
    42,524.72/63,745.70 = 20,332.34/x
  3. Step 3: Cross multiply
    42,524.72x = 63,745.70 × 20,332.34
  4. Step 4: Simplify right side
    42,524.72x = 1,296,099,245.94
  5. Step 5: Solve for x
    x = 1,296,099,245.94/42,524.72
  6. Step 6: Final answer
    x = 30,478.72

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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.