Home / 49,365.60-74,048.40-33,619.20

Finding the Fourth Proportional to 49,365.60, 74,048.40 and 33,619.20

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Solution

The fourth proportional to 49,365.60, 74,048.40 and 33,619.20 is: 50,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,365.60 : 74,048.40 = 33,619.20 : x
  2. Step 2: Convert to fraction form
    49,365.60/74,048.40 = 33,619.20/x
  3. Step 3: Cross multiply
    49,365.60x = 74,048.40 × 33,619.20
  4. Step 4: Simplify right side
    49,365.60x = 2,489,447,969.28
  5. Step 5: Solve for x
    x = 2,489,447,969.28/49,365.60
  6. Step 6: Final answer
    x = 50,428.80

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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.