Home / 38,712.25-58,074.15-13,750.21

Finding the Fourth Proportional to 38,712.25, 58,074.15 and 13,750.21

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Solution

The fourth proportional to 38,712.25, 58,074.15 and 13,750.21 is: 20,627.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,712.25 : 58,074.15 = 13,750.21 : x
  2. Step 2: Convert to fraction form
    38,712.25/58,074.15 = 13,750.21/x
  3. Step 3: Cross multiply
    38,712.25x = 58,074.15 × 13,750.21
  4. Step 4: Simplify right side
    38,712.25x = 798,531,758.07
  5. Step 5: Solve for x
    x = 798,531,758.07/38,712.25
  6. Step 6: Final answer
    x = 20,627.37

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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.