Home / 31,237.30-43,107.42-17,090.11

Finding the Fourth Proportional to 31,237.30, 43,107.42 and 17,090.11

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Solution

The fourth proportional to 31,237.30, 43,107.42 and 17,090.11 is: 23,584.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,237.30 : 43,107.42 = 17,090.11 : x
  2. Step 2: Convert to fraction form
    31,237.30/43,107.42 = 17,090.11/x
  3. Step 3: Cross multiply
    31,237.30x = 43,107.42 × 17,090.11
  4. Step 4: Simplify right side
    31,237.30x = 736,710,549.62
  5. Step 5: Solve for x
    x = 736,710,549.62/31,237.30
  6. Step 6: Final answer
    x = 23,584.32

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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.