Home / 51,936.02-71,655.78-31,771.88

Finding the Fourth Proportional to 51,936.02, 71,655.78 and 31,771.88

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Solution

The fourth proportional to 51,936.02, 71,655.78 and 31,771.88 is: 43,835.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,936.02 : 71,655.78 = 31,771.88 : x
  2. Step 2: Convert to fraction form
    51,936.02/71,655.78 = 31,771.88/x
  3. Step 3: Cross multiply
    51,936.02x = 71,655.78 × 31,771.88
  4. Step 4: Simplify right side
    51,936.02x = 2,276,639,097.39
  5. Step 5: Solve for x
    x = 2,276,639,097.39/51,936.02
  6. Step 6: Final answer
    x = 43,835.45

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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.