Home / 39,832.75-59,749.13-12,130.75

Finding the Fourth Proportional to 39,832.75, 59,749.13 and 12,130.75

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Solution

The fourth proportional to 39,832.75, 59,749.13 and 12,130.75 is: 18,196.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,832.75 : 59,749.13 = 12,130.75 : x
  2. Step 2: Convert to fraction form
    39,832.75/59,749.13 = 12,130.75/x
  3. Step 3: Cross multiply
    39,832.75x = 59,749.13 × 12,130.75
  4. Step 4: Simplify right side
    39,832.75x = 724,801,758.75
  5. Step 5: Solve for x
    x = 724,801,758.75/39,832.75
  6. Step 6: Final answer
    x = 18,196.13

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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.