Home / 38,127.94-57,199.54-13,168.90

Finding the Fourth Proportional to 38,127.94, 57,199.54 and 13,168.90

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Solution

The fourth proportional to 38,127.94, 57,199.54 and 13,168.90 is: 19,755.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,127.94 : 57,199.54 = 13,168.90 : x
  2. Step 2: Convert to fraction form
    38,127.94/57,199.54 = 13,168.90/x
  3. Step 3: Cross multiply
    38,127.94x = 57,199.54 × 13,168.90
  4. Step 4: Simplify right side
    38,127.94x = 753,255,022.31
  5. Step 5: Solve for x
    x = 753,255,022.31/38,127.94
  6. Step 6: Final answer
    x = 19,755.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.