Home / 30,607.90-42,238.92-17,180.44

Finding the Fourth Proportional to 30,607.90, 42,238.92 and 17,180.44

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Solution

The fourth proportional to 30,607.90, 42,238.92 and 17,180.44 is: 23,709.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,607.90 : 42,238.92 = 17,180.44 : x
  2. Step 2: Convert to fraction form
    30,607.90/42,238.92 = 17,180.44/x
  3. Step 3: Cross multiply
    30,607.90x = 42,238.92 × 17,180.44
  4. Step 4: Simplify right side
    30,607.90x = 725,683,230.72
  5. Step 5: Solve for x
    x = 725,683,230.72/30,607.90
  6. Step 6: Final answer
    x = 23,709.02

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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.