Home / 31,331.21-43,236.48-17,719.07

Finding the Fourth Proportional to 31,331.21, 43,236.48 and 17,719.07

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Solution

The fourth proportional to 31,331.21, 43,236.48 and 17,719.07 is: 24,451.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,331.21 : 43,236.48 = 17,719.07 : x
  2. Step 2: Convert to fraction form
    31,331.21/43,236.48 = 17,719.07/x
  3. Step 3: Cross multiply
    31,331.21x = 43,236.48 × 17,719.07
  4. Step 4: Simplify right side
    31,331.21x = 766,110,215.67
  5. Step 5: Solve for x
    x = 766,110,215.67/31,331.21
  6. Step 6: Final answer
    x = 24,451.98

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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.