Home / 38,782.60-58,174.10-13,823.60

Finding the Fourth Proportional to 38,782.60, 58,174.10 and 13,823.60

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Solution

The fourth proportional to 38,782.60, 58,174.10 and 13,823.60 is: 20,735.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,782.60 : 58,174.10 = 13,823.60 : x
  2. Step 2: Convert to fraction form
    38,782.60/58,174.10 = 13,823.60/x
  3. Step 3: Cross multiply
    38,782.60x = 58,174.10 × 13,823.60
  4. Step 4: Simplify right side
    38,782.60x = 804,175,488.76
  5. Step 5: Solve for x
    x = 804,175,488.76/38,782.60
  6. Step 6: Final answer
    x = 20,735.47

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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.