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Finding the Fourth Proportional to 53,104.32, 79,669.44 and 16,168.32

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Solution

The fourth proportional to 53,104.32, 79,669.44 and 16,168.32 is: 24,256.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,104.32 : 79,669.44 = 16,168.32 : x
  2. Step 2: Convert to fraction form
    53,104.32/79,669.44 = 16,168.32/x
  3. Step 3: Cross multiply
    53,104.32x = 79,669.44 × 16,168.32
  4. Step 4: Simplify right side
    53,104.32x = 1,288,121,000.14
  5. Step 5: Solve for x
    x = 1,288,121,000.14/53,104.32
  6. Step 6: Final answer
    x = 24,256.43

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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.