Home / 30,722.44-46,044.78-13,171.36

Finding the Fourth Proportional to 30,722.44, 46,044.78 and 13,171.36

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Solution

The fourth proportional to 30,722.44, 46,044.78 and 13,171.36 is: 19,740.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,722.44 : 46,044.78 = 13,171.36 : x
  2. Step 2: Convert to fraction form
    30,722.44/46,044.78 = 13,171.36/x
  3. Step 3: Cross multiply
    30,722.44x = 46,044.78 × 13,171.36
  4. Step 4: Simplify right side
    30,722.44x = 606,472,373.50
  5. Step 5: Solve for x
    x = 606,472,373.50/30,722.44
  6. Step 6: Final answer
    x = 19,740.37

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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.