Home / 31,529.75-43,511.35-17,383.10

Finding the Fourth Proportional to 31,529.75, 43,511.35 and 17,383.10

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Solution

The fourth proportional to 31,529.75, 43,511.35 and 17,383.10 is: 23,988.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,529.75 : 43,511.35 = 17,383.10 : x
  2. Step 2: Convert to fraction form
    31,529.75/43,511.35 = 17,383.10/x
  3. Step 3: Cross multiply
    31,529.75x = 43,511.35 × 17,383.10
  4. Step 4: Simplify right side
    31,529.75x = 756,362,148.19
  5. Step 5: Solve for x
    x = 756,362,148.19/31,529.75
  6. Step 6: Final answer
    x = 23,988.84

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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.