Home / 57,431.38-79,262.40-34,771.24

Finding the Fourth Proportional to 57,431.38, 79,262.40 and 34,771.24

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Solution

The fourth proportional to 57,431.38, 79,262.40 and 34,771.24 is: 47,988.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,431.38 : 79,262.40 = 34,771.24 : x
  2. Step 2: Convert to fraction form
    57,431.38/79,262.40 = 34,771.24/x
  3. Step 3: Cross multiply
    57,431.38x = 79,262.40 × 34,771.24
  4. Step 4: Simplify right side
    57,431.38x = 2,756,051,933.38
  5. Step 5: Solve for x
    x = 2,756,051,933.38/57,431.38
  6. Step 6: Final answer
    x = 47,988.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.