Home / 43,081.47-64,622.22-13,501.60

Finding the Fourth Proportional to 43,081.47, 64,622.22 and 13,501.60

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Solution

The fourth proportional to 43,081.47, 64,622.22 and 13,501.60 is: 20,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,081.47 : 64,622.22 = 13,501.60 : x
  2. Step 2: Convert to fraction form
    43,081.47/64,622.22 = 13,501.60/x
  3. Step 3: Cross multiply
    43,081.47x = 64,622.22 × 13,501.60
  4. Step 4: Simplify right side
    43,081.47x = 872,503,365.55
  5. Step 5: Solve for x
    x = 872,503,365.55/43,081.47
  6. Step 6: Final answer
    x = 20,252.40

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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.