Home / 51,921.40-71,651.81-29,260.74

Finding the Fourth Proportional to 51,921.40, 71,651.81 and 29,260.74

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Solution

The fourth proportional to 51,921.40, 71,651.81 and 29,260.74 is: 40,379.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,921.40 : 71,651.81 = 29,260.74 : x
  2. Step 2: Convert to fraction form
    51,921.40/71,651.81 = 29,260.74/x
  3. Step 3: Cross multiply
    51,921.40x = 71,651.81 × 29,260.74
  4. Step 4: Simplify right side
    51,921.40x = 2,096,584,982.94
  5. Step 5: Solve for x
    x = 2,096,584,982.94/51,921.40
  6. Step 6: Final answer
    x = 40,379.98

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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.