Home / 30,143.02-41,587.41-18,201.82

Finding the Fourth Proportional to 30,143.02, 41,587.41 and 18,201.82

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Solution

The fourth proportional to 30,143.02, 41,587.41 and 18,201.82 is: 25,112.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,143.02 : 41,587.41 = 18,201.82 : x
  2. Step 2: Convert to fraction form
    30,143.02/41,587.41 = 18,201.82/x
  3. Step 3: Cross multiply
    30,143.02x = 41,587.41 × 18,201.82
  4. Step 4: Simplify right side
    30,143.02x = 756,966,551.09
  5. Step 5: Solve for x
    x = 756,966,551.09/30,143.02
  6. Step 6: Final answer
    x = 25,112.50

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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.