Home / 30,139.30-41,588.34-16,710.43

Finding the Fourth Proportional to 30,139.30, 41,588.34 and 16,710.43

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Solution

The fourth proportional to 30,139.30, 41,588.34 and 16,710.43 is: 23,058.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,139.30 : 41,588.34 = 16,710.43 : x
  2. Step 2: Convert to fraction form
    30,139.30/41,588.34 = 16,710.43/x
  3. Step 3: Cross multiply
    30,139.30x = 41,588.34 × 16,710.43
  4. Step 4: Simplify right side
    30,139.30x = 694,959,044.39
  5. Step 5: Solve for x
    x = 694,959,044.39/30,139.30
  6. Step 6: Final answer
    x = 23,058.23

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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.