Home / 37,239.60-55,859.40-13,861.20

Finding the Fourth Proportional to 37,239.60, 55,859.40 and 13,861.20

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Solution

The fourth proportional to 37,239.60, 55,859.40 and 13,861.20 is: 20,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,239.60 : 55,859.40 = 13,861.20 : x
  2. Step 2: Convert to fraction form
    37,239.60/55,859.40 = 13,861.20/x
  3. Step 3: Cross multiply
    37,239.60x = 55,859.40 × 13,861.20
  4. Step 4: Simplify right side
    37,239.60x = 774,278,315.28
  5. Step 5: Solve for x
    x = 774,278,315.28/37,239.60
  6. Step 6: Final answer
    x = 20,791.80

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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.