Home / 30,606.32-42,238.26-17,177.94

Finding the Fourth Proportional to 30,606.32, 42,238.26 and 17,177.94

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Solution

The fourth proportional to 30,606.32, 42,238.26 and 17,177.94 is: 23,706.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,606.32 : 42,238.26 = 17,177.94 : x
  2. Step 2: Convert to fraction form
    30,606.32/42,238.26 = 17,177.94/x
  3. Step 3: Cross multiply
    30,606.32x = 42,238.26 × 17,177.94
  4. Step 4: Simplify right side
    30,606.32x = 725,566,295.98
  5. Step 5: Solve for x
    x = 725,566,295.98/30,606.32
  6. Step 6: Final answer
    x = 23,706.42

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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.