Home / 57,076.43-78,756.27-35,840.66

Finding the Fourth Proportional to 57,076.43, 78,756.27 and 35,840.66

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Solution

The fourth proportional to 57,076.43, 78,756.27 and 35,840.66 is: 49,454.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,076.43 : 78,756.27 = 35,840.66 : x
  2. Step 2: Convert to fraction form
    57,076.43/78,756.27 = 35,840.66/x
  3. Step 3: Cross multiply
    57,076.43x = 78,756.27 × 35,840.66
  4. Step 4: Simplify right side
    57,076.43x = 2,822,676,167.75
  5. Step 5: Solve for x
    x = 2,822,676,167.75/57,076.43
  6. Step 6: Final answer
    x = 49,454.33

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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.