Home / 38,140.94-52,634.94-21,145.39

Finding the Fourth Proportional to 38,140.94, 52,634.94 and 21,145.39

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Solution

The fourth proportional to 38,140.94, 52,634.94 and 21,145.39 is: 29,180.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,140.94 : 52,634.94 = 21,145.39 : x
  2. Step 2: Convert to fraction form
    38,140.94/52,634.94 = 21,145.39/x
  3. Step 3: Cross multiply
    38,140.94x = 52,634.94 × 21,145.39
  4. Step 4: Simplify right side
    38,140.94x = 1,112,986,071.49
  5. Step 5: Solve for x
    x = 1,112,986,071.49/38,140.94
  6. Step 6: Final answer
    x = 29,180.88

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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.