Home / 52,911.64-79,367.18-13,469.32

Finding the Fourth Proportional to 52,911.64, 79,367.18 and 13,469.32

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Solution

The fourth proportional to 52,911.64, 79,367.18 and 13,469.32 is: 20,203.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,911.64 : 79,367.18 = 13,469.32 : x
  2. Step 2: Convert to fraction form
    52,911.64/79,367.18 = 13,469.32/x
  3. Step 3: Cross multiply
    52,911.64x = 79,367.18 × 13,469.32
  4. Step 4: Simplify right side
    52,911.64x = 1,069,021,944.92
  5. Step 5: Solve for x
    x = 1,069,021,944.92/52,911.64
  6. Step 6: Final answer
    x = 20,203.91

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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.