Home / 57,740.35-86,613.23-18,300.55

Finding the Fourth Proportional to 57,740.35, 86,613.23 and 18,300.55

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Solution

The fourth proportional to 57,740.35, 86,613.23 and 18,300.55 is: 27,451.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,740.35 : 86,613.23 = 18,300.55 : x
  2. Step 2: Convert to fraction form
    57,740.35/86,613.23 = 18,300.55/x
  3. Step 3: Cross multiply
    57,740.35x = 86,613.23 × 18,300.55
  4. Step 4: Simplify right side
    57,740.35x = 1,585,069,654.77
  5. Step 5: Solve for x
    x = 1,585,069,654.77/57,740.35
  6. Step 6: Final answer
    x = 27,451.68

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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.