Home / 57,451.39-86,177.18-18,011.58

Finding the Fourth Proportional to 57,451.39, 86,177.18 and 18,011.58

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Solution

The fourth proportional to 57,451.39, 86,177.18 and 18,011.58 is: 27,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,451.39 : 86,177.18 = 18,011.58 : x
  2. Step 2: Convert to fraction form
    57,451.39/86,177.18 = 18,011.58/x
  3. Step 3: Cross multiply
    57,451.39x = 86,177.18 × 18,011.58
  4. Step 4: Simplify right side
    57,451.39x = 1,552,186,893.61
  5. Step 5: Solve for x
    x = 1,552,186,893.61/57,451.39
  6. Step 6: Final answer
    x = 27,017.40

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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.