Home / 30,726.02-42,401.66-17,297.44

Finding the Fourth Proportional to 30,726.02, 42,401.66 and 17,297.44

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Solution

The fourth proportional to 30,726.02, 42,401.66 and 17,297.44 is: 23,870.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,726.02 : 42,401.66 = 17,297.44 : x
  2. Step 2: Convert to fraction form
    30,726.02/42,401.66 = 17,297.44/x
  3. Step 3: Cross multiply
    30,726.02x = 42,401.66 × 17,297.44
  4. Step 4: Simplify right side
    30,726.02x = 733,440,169.75
  5. Step 5: Solve for x
    x = 733,440,169.75/30,726.02
  6. Step 6: Final answer
    x = 23,870.33

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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.