Home / 29,719.39-41,012.67-16,291.21

Finding the Fourth Proportional to 29,719.39, 41,012.67 and 16,291.21

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Solution

The fourth proportional to 29,719.39, 41,012.67 and 16,291.21 is: 22,481.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,719.39 : 41,012.67 = 16,291.21 : x
  2. Step 2: Convert to fraction form
    29,719.39/41,012.67 = 16,291.21/x
  3. Step 3: Cross multiply
    29,719.39x = 41,012.67 × 16,291.21
  4. Step 4: Simplify right side
    29,719.39x = 668,146,019.63
  5. Step 5: Solve for x
    x = 668,146,019.63/29,719.39
  6. Step 6: Final answer
    x = 22,481.82

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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.