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Finding the Fourth Proportional to 52,880.44, 72,974.94 and 29,007.22

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Solution

The fourth proportional to 52,880.44, 72,974.94 and 29,007.22 is: 40,029.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,880.44 : 72,974.94 = 29,007.22 : x
  2. Step 2: Convert to fraction form
    52,880.44/72,974.94 = 29,007.22/x
  3. Step 3: Cross multiply
    52,880.44x = 72,974.94 × 29,007.22
  4. Step 4: Simplify right side
    52,880.44x = 2,116,800,139.07
  5. Step 5: Solve for x
    x = 2,116,800,139.07/52,880.44
  6. Step 6: Final answer
    x = 40,029.93

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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.