Home / 31,138.13-46,709.81-9,795.74

Finding the Fourth Proportional to 31,138.13, 46,709.81 and 9,795.74

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Solution

The fourth proportional to 31,138.13, 46,709.81 and 9,795.74 is: 14,694.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,138.13 : 46,709.81 = 9,795.74 : x
  2. Step 2: Convert to fraction form
    31,138.13/46,709.81 = 9,795.74/x
  3. Step 3: Cross multiply
    31,138.13x = 46,709.81 × 9,795.74
  4. Step 4: Simplify right side
    31,138.13x = 457,557,226.26
  5. Step 5: Solve for x
    x = 457,557,226.26/31,138.13
  6. Step 6: Final answer
    x = 14,694.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.