Home / 57,929.54-79,944.45-32,778.50

Finding the Fourth Proportional to 57,929.54, 79,944.45 and 32,778.50

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Solution

The fourth proportional to 57,929.54, 79,944.45 and 32,778.50 is: 45,235.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,929.54 : 79,944.45 = 32,778.50 : x
  2. Step 2: Convert to fraction form
    57,929.54/79,944.45 = 32,778.50/x
  3. Step 3: Cross multiply
    57,929.54x = 79,944.45 × 32,778.50
  4. Step 4: Simplify right side
    57,929.54x = 2,620,459,154.33
  5. Step 5: Solve for x
    x = 2,620,459,154.33/57,929.54
  6. Step 6: Final answer
    x = 45,235.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.