Home / 31,354.68-43,269.80-17,208.08

Finding the Fourth Proportional to 31,354.68, 43,269.80 and 17,208.08

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Solution

The fourth proportional to 31,354.68, 43,269.80 and 17,208.08 is: 23,747.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,354.68 : 43,269.80 = 17,208.08 : x
  2. Step 2: Convert to fraction form
    31,354.68/43,269.80 = 17,208.08/x
  3. Step 3: Cross multiply
    31,354.68x = 43,269.80 × 17,208.08
  4. Step 4: Simplify right side
    31,354.68x = 744,590,179.98
  5. Step 5: Solve for x
    x = 744,590,179.98/31,354.68
  6. Step 6: Final answer
    x = 23,747.34

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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.