Home / 57,686.37-86,518.61-24,429.78

Finding the Fourth Proportional to 57,686.37, 86,518.61 and 24,429.78

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Solution

The fourth proportional to 57,686.37, 86,518.61 and 24,429.78 is: 36,640.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,686.37 : 86,518.61 = 24,429.78 : x
  2. Step 2: Convert to fraction form
    57,686.37/86,518.61 = 24,429.78/x
  3. Step 3: Cross multiply
    57,686.37x = 86,518.61 × 24,429.78
  4. Step 4: Simplify right side
    57,686.37x = 2,113,630,486.06
  5. Step 5: Solve for x
    x = 2,113,630,486.06/57,686.37
  6. Step 6: Final answer
    x = 36,640.03

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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.