Home / 36,212.40-54,315.18-12,837.60

Finding the Fourth Proportional to 36,212.40, 54,315.18 and 12,837.60

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Solution

The fourth proportional to 36,212.40, 54,315.18 and 12,837.60 is: 19,255.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,212.40 : 54,315.18 = 12,837.60 : x
  2. Step 2: Convert to fraction form
    36,212.40/54,315.18 = 12,837.60/x
  3. Step 3: Cross multiply
    36,212.40x = 54,315.18 × 12,837.60
  4. Step 4: Simplify right side
    36,212.40x = 697,276,554.77
  5. Step 5: Solve for x
    x = 697,276,554.77/36,212.40
  6. Step 6: Final answer
    x = 19,255.19

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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.