Home / 38,804.13-58,174.80-12,136.40

Finding the Fourth Proportional to 38,804.13, 58,174.80 and 12,136.40

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Solution

The fourth proportional to 38,804.13, 58,174.80 and 12,136.40 is: 18,194.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,804.13 : 58,174.80 = 12,136.40 : x
  2. Step 2: Convert to fraction form
    38,804.13/58,174.80 = 12,136.40/x
  3. Step 3: Cross multiply
    38,804.13x = 58,174.80 × 12,136.40
  4. Step 4: Simplify right side
    38,804.13x = 706,032,592.76
  5. Step 5: Solve for x
    x = 706,032,592.76/38,804.13
  6. Step 6: Final answer
    x = 18,194.78

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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.