Home / 53,847.60-74,309.04-31,491.60

Finding the Fourth Proportional to 53,847.60, 74,309.04 and 31,491.60

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Solution

The fourth proportional to 53,847.60, 74,309.04 and 31,491.60 is: 43,458.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,847.60 : 74,309.04 = 31,491.60 : x
  2. Step 2: Convert to fraction form
    53,847.60/74,309.04 = 31,491.60/x
  3. Step 3: Cross multiply
    53,847.60x = 74,309.04 × 31,491.60
  4. Step 4: Simplify right side
    53,847.60x = 2,340,110,564.06
  5. Step 5: Solve for x
    x = 2,340,110,564.06/53,847.60
  6. Step 6: Final answer
    x = 43,458.03

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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.