Home / 31,645.84-43,669.51-17,497.75

Finding the Fourth Proportional to 31,645.84, 43,669.51 and 17,497.75

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Solution

The fourth proportional to 31,645.84, 43,669.51 and 17,497.75 is: 24,145.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,645.84 : 43,669.51 = 17,497.75 : x
  2. Step 2: Convert to fraction form
    31,645.84/43,669.51 = 17,497.75/x
  3. Step 3: Cross multiply
    31,645.84x = 43,669.51 × 17,497.75
  4. Step 4: Simplify right side
    31,645.84x = 764,118,168.60
  5. Step 5: Solve for x
    x = 764,118,168.60/31,645.84
  6. Step 6: Final answer
    x = 24,145.93

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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.