Home / 39,828.52-59,741.34-12,125.80

Finding the Fourth Proportional to 39,828.52, 59,741.34 and 12,125.80

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Solution

The fourth proportional to 39,828.52, 59,741.34 and 12,125.80 is: 18,188.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,828.52 : 59,741.34 = 12,125.80 : x
  2. Step 2: Convert to fraction form
    39,828.52/59,741.34 = 12,125.80/x
  3. Step 3: Cross multiply
    39,828.52x = 59,741.34 × 12,125.80
  4. Step 4: Simplify right side
    39,828.52x = 724,411,540.57
  5. Step 5: Solve for x
    x = 724,411,540.57/39,828.52
  6. Step 6: Final answer
    x = 18,188.26

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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.