Home / 30,706.26-42,371.20-17,277.23

Finding the Fourth Proportional to 30,706.26, 42,371.20 and 17,277.23

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Solution

The fourth proportional to 30,706.26, 42,371.20 and 17,277.23 is: 23,840.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,706.26 : 42,371.20 = 17,277.23 : x
  2. Step 2: Convert to fraction form
    30,706.26/42,371.20 = 17,277.23/x
  3. Step 3: Cross multiply
    30,706.26x = 42,371.20 × 17,277.23
  4. Step 4: Simplify right side
    30,706.26x = 732,057,095.30
  5. Step 5: Solve for x
    x = 732,057,095.30/30,706.26
  6. Step 6: Final answer
    x = 23,840.65

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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.