Home / 30,058.13-41,480.84-18,118.94

Finding the Fourth Proportional to 30,058.13, 41,480.84 and 18,118.94

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Solution

The fourth proportional to 30,058.13, 41,480.84 and 18,118.94 is: 25,004.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,058.13 : 41,480.84 = 18,118.94 : x
  2. Step 2: Convert to fraction form
    30,058.13/41,480.84 = 18,118.94/x
  3. Step 3: Cross multiply
    30,058.13x = 41,480.84 × 18,118.94
  4. Step 4: Simplify right side
    30,058.13x = 751,588,689.00
  5. Step 5: Solve for x
    x = 751,588,689.00/30,058.13
  6. Step 6: Final answer
    x = 25,004.50

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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.