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Finding the Fourth Proportional to 55,873.42, 83,792.22 and 18,425.08

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Solution

The fourth proportional to 55,873.42, 83,792.22 and 18,425.08 is: 27,631.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,873.42 : 83,792.22 = 18,425.08 : x
  2. Step 2: Convert to fraction form
    55,873.42/83,792.22 = 18,425.08/x
  3. Step 3: Cross multiply
    55,873.42x = 83,792.22 × 18,425.08
  4. Step 4: Simplify right side
    55,873.42x = 1,543,878,356.88
  5. Step 5: Solve for x
    x = 1,543,878,356.88/55,873.42
  6. Step 6: Final answer
    x = 27,631.71

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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.