Home / 51,811.71-71,506.47-29,151.63

Finding the Fourth Proportional to 51,811.71, 71,506.47 and 29,151.63

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Solution

The fourth proportional to 51,811.71, 71,506.47 and 29,151.63 is: 40,232.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,811.71 : 71,506.47 = 29,151.63 : x
  2. Step 2: Convert to fraction form
    51,811.71/71,506.47 = 29,151.63/x
  3. Step 3: Cross multiply
    51,811.71x = 71,506.47 × 29,151.63
  4. Step 4: Simplify right side
    51,811.71x = 2,084,530,156.05
  5. Step 5: Solve for x
    x = 2,084,530,156.05/51,811.71
  6. Step 6: Final answer
    x = 40,232.80

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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.