Home / 38,894.40-58,341.60-12,601.80

Finding the Fourth Proportional to 38,894.40, 58,341.60 and 12,601.80

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Solution

The fourth proportional to 38,894.40, 58,341.60 and 12,601.80 is: 18,902.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,894.40 : 58,341.60 = 12,601.80 : x
  2. Step 2: Convert to fraction form
    38,894.40/58,341.60 = 12,601.80/x
  3. Step 3: Cross multiply
    38,894.40x = 58,341.60 × 12,601.80
  4. Step 4: Simplify right side
    38,894.40x = 735,209,174.88
  5. Step 5: Solve for x
    x = 735,209,174.88/38,894.40
  6. Step 6: Final answer
    x = 18,902.70

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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.