Home / 31,636.68-43,656.48-17,487.60

Finding the Fourth Proportional to 31,636.68, 43,656.48 and 17,487.60

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Solution

The fourth proportional to 31,636.68, 43,656.48 and 17,487.60 is: 24,131.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,636.68 : 43,656.48 = 17,487.60 : x
  2. Step 2: Convert to fraction form
    31,636.68/43,656.48 = 17,487.60/x
  3. Step 3: Cross multiply
    31,636.68x = 43,656.48 × 17,487.60
  4. Step 4: Simplify right side
    31,636.68x = 763,447,059.65
  5. Step 5: Solve for x
    x = 763,447,059.65/31,636.68
  6. Step 6: Final answer
    x = 24,131.71

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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.