Home / 36,688.60-55,012.24-11,722.80

Finding the Fourth Proportional to 36,688.60, 55,012.24 and 11,722.80

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Solution

The fourth proportional to 36,688.60, 55,012.24 and 11,722.80 is: 17,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,688.60 : 55,012.24 = 11,722.80 : x
  2. Step 2: Convert to fraction form
    36,688.60/55,012.24 = 11,722.80/x
  3. Step 3: Cross multiply
    36,688.60x = 55,012.24 × 11,722.80
  4. Step 4: Simplify right side
    36,688.60x = 644,897,487.07
  5. Step 5: Solve for x
    x = 644,897,487.07/36,688.60
  6. Step 6: Final answer
    x = 17,577.60

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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.