Home / 53,186.08-79,754.28-28,255.36

Finding the Fourth Proportional to 53,186.08, 79,754.28 and 28,255.36

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Solution

The fourth proportional to 53,186.08, 79,754.28 and 28,255.36 is: 42,369.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,186.08 : 79,754.28 = 28,255.36 : x
  2. Step 2: Convert to fraction form
    53,186.08/79,754.28 = 28,255.36/x
  3. Step 3: Cross multiply
    53,186.08x = 79,754.28 × 28,255.36
  4. Step 4: Simplify right side
    53,186.08x = 2,253,485,892.94
  5. Step 5: Solve for x
    x = 2,253,485,892.94/53,186.08
  6. Step 6: Final answer
    x = 42,369.84

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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.