Home / 51,713.40-71,371.08-30,494.64

Finding the Fourth Proportional to 51,713.40, 71,371.08 and 30,494.64

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Solution

The fourth proportional to 51,713.40, 71,371.08 and 30,494.64 is: 42,086.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,713.40 : 71,371.08 = 30,494.64 : x
  2. Step 2: Convert to fraction form
    51,713.40/71,371.08 = 30,494.64/x
  3. Step 3: Cross multiply
    51,713.40x = 71,371.08 × 30,494.64
  4. Step 4: Simplify right side
    51,713.40x = 2,176,435,391.01
  5. Step 5: Solve for x
    x = 2,176,435,391.01/51,713.40
  6. Step 6: Final answer
    x = 42,086.49

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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.