Home / 38,519.40-57,798.30-21,892.20

Finding the Fourth Proportional to 38,519.40, 57,798.30 and 21,892.20

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Solution

The fourth proportional to 38,519.40, 57,798.30 and 21,892.20 is: 32,849.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,519.40 : 57,798.30 = 21,892.20 : x
  2. Step 2: Convert to fraction form
    38,519.40/57,798.30 = 21,892.20/x
  3. Step 3: Cross multiply
    38,519.40x = 57,798.30 × 21,892.20
  4. Step 4: Simplify right side
    38,519.40x = 1,265,331,943.26
  5. Step 5: Solve for x
    x = 1,265,331,943.26/38,519.40
  6. Step 6: Final answer
    x = 32,849.21

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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.