Home / 57,309.42-79,086.98-33,431.48

Finding the Fourth Proportional to 57,309.42, 79,086.98 and 33,431.48

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Solution

The fourth proportional to 57,309.42, 79,086.98 and 33,431.48 is: 46,135.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,309.42 : 79,086.98 = 33,431.48 : x
  2. Step 2: Convert to fraction form
    57,309.42/79,086.98 = 33,431.48/x
  3. Step 3: Cross multiply
    57,309.42x = 79,086.98 × 33,431.48
  4. Step 4: Simplify right side
    57,309.42x = 2,643,995,219.71
  5. Step 5: Solve for x
    x = 2,643,995,219.71/57,309.42
  6. Step 6: Final answer
    x = 46,135.44

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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.