Home / 36,970.85-55,430.30-12,949.27

Finding the Fourth Proportional to 36,970.85, 55,430.30 and 12,949.27

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Solution

The fourth proportional to 36,970.85, 55,430.30 and 12,949.27 is: 19,414.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,970.85 : 55,430.30 = 12,949.27 : x
  2. Step 2: Convert to fraction form
    36,970.85/55,430.30 = 12,949.27/x
  3. Step 3: Cross multiply
    36,970.85x = 55,430.30 × 12,949.27
  4. Step 4: Simplify right side
    36,970.85x = 717,781,717.56
  5. Step 5: Solve for x
    x = 717,781,717.56/36,970.85
  6. Step 6: Final answer
    x = 19,414.80

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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.