Home / 38,735.88-58,084.64-13,772.20

Finding the Fourth Proportional to 38,735.88, 58,084.64 and 13,772.20

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Solution

The fourth proportional to 38,735.88, 58,084.64 and 13,772.20 is: 20,651.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,735.88 : 58,084.64 = 13,772.20 : x
  2. Step 2: Convert to fraction form
    38,735.88/58,084.64 = 13,772.20/x
  3. Step 3: Cross multiply
    38,735.88x = 58,084.64 × 13,772.20
  4. Step 4: Simplify right side
    38,735.88x = 799,953,279.01
  5. Step 5: Solve for x
    x = 799,953,279.01/38,735.88
  6. Step 6: Final answer
    x = 20,651.48

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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.