Home / 38,845.35-58,268.03-12,195.45

Finding the Fourth Proportional to 38,845.35, 58,268.03 and 12,195.45

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Solution

The fourth proportional to 38,845.35, 58,268.03 and 12,195.45 is: 18,293.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,845.35 : 58,268.03 = 12,195.45 : x
  2. Step 2: Convert to fraction form
    38,845.35/58,268.03 = 12,195.45/x
  3. Step 3: Cross multiply
    38,845.35x = 58,268.03 × 12,195.45
  4. Step 4: Simplify right side
    38,845.35x = 710,604,785.49
  5. Step 5: Solve for x
    x = 710,604,785.49/38,845.35
  6. Step 6: Final answer
    x = 18,293.18

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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.