Home / 31,459.92-43,415.55-17,313.63

Finding the Fourth Proportional to 31,459.92, 43,415.55 and 17,313.63

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Solution

The fourth proportional to 31,459.92, 43,415.55 and 17,313.63 is: 23,893.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,459.92 : 43,415.55 = 17,313.63 : x
  2. Step 2: Convert to fraction form
    31,459.92/43,415.55 = 17,313.63/x
  3. Step 3: Cross multiply
    31,459.92x = 43,415.55 × 17,313.63
  4. Step 4: Simplify right side
    31,459.92x = 751,680,768.95
  5. Step 5: Solve for x
    x = 751,680,768.95/31,459.92
  6. Step 6: Final answer
    x = 23,893.28

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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.