Home / 57,039.42-78,677.32-36,589.12

Finding the Fourth Proportional to 57,039.42, 78,677.32 and 36,589.12

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Solution

The fourth proportional to 57,039.42, 78,677.32 and 36,589.12 is: 50,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,039.42 : 78,677.32 = 36,589.12 : x
  2. Step 2: Convert to fraction form
    57,039.42/78,677.32 = 36,589.12/x
  3. Step 3: Cross multiply
    57,039.42x = 78,677.32 × 36,589.12
  4. Step 4: Simplify right side
    57,039.42x = 2,878,733,902.76
  5. Step 5: Solve for x
    x = 2,878,733,902.76/57,039.42
  6. Step 6: Final answer
    x = 50,469.20

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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.