Home / 57,430.01-79,249.69-31,935.87

Finding the Fourth Proportional to 57,430.01, 79,249.69 and 31,935.87

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Solution

The fourth proportional to 57,430.01, 79,249.69 and 31,935.87 is: 44,069.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,430.01 : 79,249.69 = 31,935.87 : x
  2. Step 2: Convert to fraction form
    57,430.01/79,249.69 = 31,935.87/x
  3. Step 3: Cross multiply
    57,430.01x = 79,249.69 × 31,935.87
  4. Step 4: Simplify right side
    57,430.01x = 2,530,907,837.30
  5. Step 5: Solve for x
    x = 2,530,907,837.30/57,430.01
  6. Step 6: Final answer
    x = 44,069.43

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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.