Home / 51,777.59-71,451.63-31,371.74

Finding the Fourth Proportional to 51,777.59, 71,451.63 and 31,371.74

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Solution

The fourth proportional to 51,777.59, 71,451.63 and 31,371.74 is: 43,292.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,777.59 : 71,451.63 = 31,371.74 : x
  2. Step 2: Convert to fraction form
    51,777.59/71,451.63 = 31,371.74/x
  3. Step 3: Cross multiply
    51,777.59x = 71,451.63 × 31,371.74
  4. Step 4: Simplify right side
    51,777.59x = 2,241,561,601.68
  5. Step 5: Solve for x
    x = 2,241,561,601.68/51,777.59
  6. Step 6: Final answer
    x = 43,292.12

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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.