Home / 36,043.76-49,740.96-20,127.60

Finding the Fourth Proportional to 36,043.76, 49,740.96 and 20,127.60

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Solution

The fourth proportional to 36,043.76, 49,740.96 and 20,127.60 is: 27,776.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,043.76 : 49,740.96 = 20,127.60 : x
  2. Step 2: Convert to fraction form
    36,043.76/49,740.96 = 20,127.60/x
  3. Step 3: Cross multiply
    36,043.76x = 49,740.96 × 20,127.60
  4. Step 4: Simplify right side
    36,043.76x = 1,001,166,146.50
  5. Step 5: Solve for x
    x = 1,001,166,146.50/36,043.76
  6. Step 6: Final answer
    x = 27,776.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.