Home / 53,218.72-79,832.18-31,034.32

Finding the Fourth Proportional to 53,218.72, 79,832.18 and 31,034.32

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Solution

The fourth proportional to 53,218.72, 79,832.18 and 31,034.32 is: 46,553.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,218.72 : 79,832.18 = 31,034.32 : x
  2. Step 2: Convert to fraction form
    53,218.72/79,832.18 = 31,034.32/x
  3. Step 3: Cross multiply
    53,218.72x = 79,832.18 × 31,034.32
  4. Step 4: Simplify right side
    53,218.72x = 2,477,537,420.42
  5. Step 5: Solve for x
    x = 2,477,537,420.42/53,218.72
  6. Step 6: Final answer
    x = 46,553.87

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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.