Home / 53,688.48-80,533.52-18,629.24

Finding the Fourth Proportional to 53,688.48, 80,533.52 and 18,629.24

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Solution

The fourth proportional to 53,688.48, 80,533.52 and 18,629.24 is: 27,944.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,688.48 : 80,533.52 = 18,629.24 : x
  2. Step 2: Convert to fraction form
    53,688.48/80,533.52 = 18,629.24/x
  3. Step 3: Cross multiply
    53,688.48x = 80,533.52 × 18,629.24
  4. Step 4: Simplify right side
    53,688.48x = 1,500,278,272.12
  5. Step 5: Solve for x
    x = 1,500,278,272.12/53,688.48
  6. Step 6: Final answer
    x = 27,944.14

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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.