Home / 36,971.35-55,431.05-12,949.77

Finding the Fourth Proportional to 36,971.35, 55,431.05 and 12,949.77

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Solution

The fourth proportional to 36,971.35, 55,431.05 and 12,949.77 is: 19,415.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,971.35 : 55,431.05 = 12,949.77 : x
  2. Step 2: Convert to fraction form
    36,971.35/55,431.05 = 12,949.77/x
  3. Step 3: Cross multiply
    36,971.35x = 55,431.05 × 12,949.77
  4. Step 4: Simplify right side
    36,971.35x = 717,819,283.61
  5. Step 5: Solve for x
    x = 717,819,283.61/36,971.35
  6. Step 6: Final answer
    x = 19,415.56

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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.