Home / 57,156.75-78,876.32-34,800.75

Finding the Fourth Proportional to 57,156.75, 78,876.32 and 34,800.75

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Solution

The fourth proportional to 57,156.75, 78,876.32 and 34,800.75 is: 48,025.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,156.75 : 78,876.32 = 34,800.75 : x
  2. Step 2: Convert to fraction form
    57,156.75/78,876.32 = 34,800.75/x
  3. Step 3: Cross multiply
    57,156.75x = 78,876.32 × 34,800.75
  4. Step 4: Simplify right side
    57,156.75x = 2,744,954,919.24
  5. Step 5: Solve for x
    x = 2,744,954,919.24/57,156.75
  6. Step 6: Final answer
    x = 48,025.04

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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.