Home / 57,854.65-86,778.33-18,440.05

Finding the Fourth Proportional to 57,854.65, 86,778.33 and 18,440.05

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Solution

The fourth proportional to 57,854.65, 86,778.33 and 18,440.05 is: 27,658.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,854.65 : 86,778.33 = 18,440.05 : x
  2. Step 2: Convert to fraction form
    57,854.65/86,778.33 = 18,440.05/x
  3. Step 3: Cross multiply
    57,854.65x = 86,778.33 × 18,440.05
  4. Step 4: Simplify right side
    57,854.65x = 1,600,196,744.12
  5. Step 5: Solve for x
    x = 1,600,196,744.12/57,854.65
  6. Step 6: Final answer
    x = 27,658.91

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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.