Home / 31,178.12-46,977.66-25,753.01

Finding the Fourth Proportional to 31,178.12, 46,977.66 and 25,753.01

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Solution

The fourth proportional to 31,178.12, 46,977.66 and 25,753.01 is: 38,803.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,178.12 : 46,977.66 = 25,753.01 : x
  2. Step 2: Convert to fraction form
    31,178.12/46,977.66 = 25,753.01/x
  3. Step 3: Cross multiply
    31,178.12x = 46,977.66 × 25,753.01
  4. Step 4: Simplify right side
    31,178.12x = 1,209,815,912.87
  5. Step 5: Solve for x
    x = 1,209,815,912.87/31,178.12
  6. Step 6: Final answer
    x = 38,803.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.