Home / 55,631.71-82,951.34-49,449.79

Finding the Fourth Proportional to 55,631.71, 82,951.34 and 49,449.79

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Solution

The fourth proportional to 55,631.71, 82,951.34 and 49,449.79 is: 73,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,631.71 : 82,951.34 = 49,449.79 : x
  2. Step 2: Convert to fraction form
    55,631.71/82,951.34 = 49,449.79/x
  3. Step 3: Cross multiply
    55,631.71x = 82,951.34 × 49,449.79
  4. Step 4: Simplify right side
    55,631.71x = 4,101,926,343.22
  5. Step 5: Solve for x
    x = 4,101,926,343.22/55,631.71
  6. Step 6: Final answer
    x = 73,733.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.