Home / 36,010.30-54,039.14-12,636.13

Finding the Fourth Proportional to 36,010.30, 54,039.14 and 12,636.13

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Solution

The fourth proportional to 36,010.30, 54,039.14 and 12,636.13 is: 18,962.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,010.30 : 54,039.14 = 12,636.13 : x
  2. Step 2: Convert to fraction form
    36,010.30/54,039.14 = 12,636.13/x
  3. Step 3: Cross multiply
    36,010.30x = 54,039.14 × 12,636.13
  4. Step 4: Simplify right side
    36,010.30x = 682,845,598.13
  5. Step 5: Solve for x
    x = 682,845,598.13/36,010.30
  6. Step 6: Final answer
    x = 18,962.51

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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.