Home / 31,179.25-46,769.28-10,402.75

Finding the Fourth Proportional to 31,179.25, 46,769.28 and 10,402.75

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Solution

The fourth proportional to 31,179.25, 46,769.28 and 10,402.75 is: 15,604.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,179.25 : 46,769.28 = 10,402.75 : x
  2. Step 2: Convert to fraction form
    31,179.25/46,769.28 = 10,402.75/x
  3. Step 3: Cross multiply
    31,179.25x = 46,769.28 × 10,402.75
  4. Step 4: Simplify right side
    31,179.25x = 486,529,127.52
  5. Step 5: Solve for x
    x = 486,529,127.52/31,179.25
  6. Step 6: Final answer
    x = 15,604.26

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1.5x scale

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.