Home / 31,451.19-43,402.65-17,303.73

Finding the Fourth Proportional to 31,451.19, 43,402.65 and 17,303.73

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Solution

The fourth proportional to 31,451.19, 43,402.65 and 17,303.73 is: 23,879.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,451.19 : 43,402.65 = 17,303.73 : x
  2. Step 2: Convert to fraction form
    31,451.19/43,402.65 = 17,303.73/x
  3. Step 3: Cross multiply
    31,451.19x = 43,402.65 × 17,303.73
  4. Step 4: Simplify right side
    31,451.19x = 751,027,650.37
  5. Step 5: Solve for x
    x = 751,027,650.37/31,451.19
  6. Step 6: Final answer
    x = 23,879.15

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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.