Home / 57,790.48-86,697.60-18,346.72

Finding the Fourth Proportional to 57,790.48, 86,697.60 and 18,346.72

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Solution

The fourth proportional to 57,790.48, 86,697.60 and 18,346.72 is: 27,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,790.48 : 86,697.60 = 18,346.72 : x
  2. Step 2: Convert to fraction form
    57,790.48/86,697.60 = 18,346.72/x
  3. Step 3: Cross multiply
    57,790.48x = 86,697.60 × 18,346.72
  4. Step 4: Simplify right side
    57,790.48x = 1,590,616,591.87
  5. Step 5: Solve for x
    x = 1,590,616,591.87/57,790.48
  6. Step 6: Final answer
    x = 27,523.85

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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.