Home / 38,925.48-58,388.19-12,630.21

Finding the Fourth Proportional to 38,925.48, 58,388.19 and 12,630.21

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Solution

The fourth proportional to 38,925.48, 58,388.19 and 12,630.21 is: 18,945.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,925.48 : 58,388.19 = 12,630.21 : x
  2. Step 2: Convert to fraction form
    38,925.48/58,388.19 = 12,630.21/x
  3. Step 3: Cross multiply
    38,925.48x = 58,388.19 × 12,630.21
  4. Step 4: Simplify right side
    38,925.48x = 737,455,101.22
  5. Step 5: Solve for x
    x = 737,455,101.22/38,925.48
  6. Step 6: Final answer
    x = 18,945.31

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Similar ratio
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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.