Home / 64,125.20-96,189.45-30,383.30

Finding the Fourth Proportional to 64,125.20, 96,189.45 and 30,383.30

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Solution

The fourth proportional to 64,125.20, 96,189.45 and 30,383.30 is: 45,575.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,125.20 : 96,189.45 = 30,383.30 : x
  2. Step 2: Convert to fraction form
    64,125.20/96,189.45 = 30,383.30/x
  3. Step 3: Cross multiply
    64,125.20x = 96,189.45 × 30,383.30
  4. Step 4: Simplify right side
    64,125.20x = 2,922,552,916.19
  5. Step 5: Solve for x
    x = 2,922,552,916.19/64,125.20
  6. Step 6: Final answer
    x = 45,575.73

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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.