Home / 30,611.23-42,243.66-17,182.64

Finding the Fourth Proportional to 30,611.23, 42,243.66 and 17,182.64

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Solution

The fourth proportional to 30,611.23, 42,243.66 and 17,182.64 is: 23,712.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,611.23 : 42,243.66 = 17,182.64 : x
  2. Step 2: Convert to fraction form
    30,611.23/42,243.66 = 17,182.64/x
  3. Step 3: Cross multiply
    30,611.23x = 42,243.66 × 17,182.64
  4. Step 4: Simplify right side
    30,611.23x = 725,857,707.67
  5. Step 5: Solve for x
    x = 725,857,707.67/30,611.23
  6. Step 6: Final answer
    x = 23,712.14

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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.