Home / 31,353.09-43,267.11-17,012.61

Finding the Fourth Proportional to 31,353.09, 43,267.11 and 17,012.61

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Solution

The fourth proportional to 31,353.09, 43,267.11 and 17,012.61 is: 23,477.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,353.09 : 43,267.11 = 17,012.61 : x
  2. Step 2: Convert to fraction form
    31,353.09/43,267.11 = 17,012.61/x
  3. Step 3: Cross multiply
    31,353.09x = 43,267.11 × 17,012.61
  4. Step 4: Simplify right side
    31,353.09x = 736,086,468.26
  5. Step 5: Solve for x
    x = 736,086,468.26/31,353.09
  6. Step 6: Final answer
    x = 23,477.32

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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.