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Finding the Fourth Proportional to 55,533.60, 83,240.64 and 27,414.72

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Solution

The fourth proportional to 55,533.60, 83,240.64 and 27,414.72 is: 41,092.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,533.60 : 83,240.64 = 27,414.72 : x
  2. Step 2: Convert to fraction form
    55,533.60/83,240.64 = 27,414.72/x
  3. Step 3: Cross multiply
    55,533.60x = 83,240.64 × 27,414.72
  4. Step 4: Simplify right side
    55,533.60x = 2,282,018,838.22
  5. Step 5: Solve for x
    x = 2,282,018,838.22/55,533.60
  6. Step 6: Final answer
    x = 41,092.58

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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.