Home / 38,858.64-58,256.34-12,190.92

Finding the Fourth Proportional to 38,858.64, 58,256.34 and 12,190.92

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Solution

The fourth proportional to 38,858.64, 58,256.34 and 12,190.92 is: 18,276.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,858.64 : 58,256.34 = 12,190.92 : x
  2. Step 2: Convert to fraction form
    38,858.64/58,256.34 = 12,190.92/x
  3. Step 3: Cross multiply
    38,858.64x = 58,256.34 × 12,190.92
  4. Step 4: Simplify right side
    38,858.64x = 710,198,380.43
  5. Step 5: Solve for x
    x = 710,198,380.43/38,858.64
  6. Step 6: Final answer
    x = 18,276.46

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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.