Home / 38,132.71-57,199.22-21,276.12

Finding the Fourth Proportional to 38,132.71, 57,199.22 and 21,276.12

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Solution

The fourth proportional to 38,132.71, 57,199.22 and 21,276.12 is: 31,914.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,132.71 : 57,199.22 = 21,276.12 : x
  2. Step 2: Convert to fraction form
    38,132.71/57,199.22 = 21,276.12/x
  3. Step 3: Cross multiply
    38,132.71x = 57,199.22 × 21,276.12
  4. Step 4: Simplify right side
    38,132.71x = 1,216,977,468.63
  5. Step 5: Solve for x
    x = 1,216,977,468.63/38,132.71
  6. Step 6: Final answer
    x = 31,914.27

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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.