Home / 31,409.13-43,344.72-17,261.67

Finding the Fourth Proportional to 31,409.13, 43,344.72 and 17,261.67

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Solution

The fourth proportional to 31,409.13, 43,344.72 and 17,261.67 is: 23,821.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,409.13 : 43,344.72 = 17,261.67 : x
  2. Step 2: Convert to fraction form
    31,409.13/43,344.72 = 17,261.67/x
  3. Step 3: Cross multiply
    31,409.13x = 43,344.72 × 17,261.67
  4. Step 4: Simplify right side
    31,409.13x = 748,202,252.88
  5. Step 5: Solve for x
    x = 748,202,252.88/31,409.13
  6. Step 6: Final answer
    x = 23,821.17

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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.