Home / 51,960.40-71,688.16-29,296.56

Finding the Fourth Proportional to 51,960.40, 71,688.16 and 29,296.56

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Solution

The fourth proportional to 51,960.40, 71,688.16 and 29,296.56 is: 40,419.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,960.40 : 71,688.16 = 29,296.56 : x
  2. Step 2: Convert to fraction form
    51,960.40/71,688.16 = 29,296.56/x
  3. Step 3: Cross multiply
    51,960.40x = 71,688.16 × 29,296.56
  4. Step 4: Simplify right side
    51,960.40x = 2,100,216,480.73
  5. Step 5: Solve for x
    x = 2,100,216,480.73/51,960.40
  6. Step 6: Final answer
    x = 40,419.56

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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.