Home / 38,522.30-57,799.65-21,004.70

Finding the Fourth Proportional to 38,522.30, 57,799.65 and 21,004.70

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Solution

The fourth proportional to 38,522.30, 57,799.65 and 21,004.70 is: 31,515.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,522.30 : 57,799.65 = 21,004.70 : x
  2. Step 2: Convert to fraction form
    38,522.30/57,799.65 = 21,004.70/x
  3. Step 3: Cross multiply
    38,522.30x = 57,799.65 × 21,004.70
  4. Step 4: Simplify right side
    38,522.30x = 1,214,064,308.36
  5. Step 5: Solve for x
    x = 1,214,064,308.36/38,522.30
  6. Step 6: Final answer
    x = 31,515.88

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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.