Home / 38,455.10-57,682.65-36,640.70

Finding the Fourth Proportional to 38,455.10, 57,682.65 and 36,640.70

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Solution

The fourth proportional to 38,455.10, 57,682.65 and 36,640.70 is: 54,961.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,455.10 : 57,682.65 = 36,640.70 : x
  2. Step 2: Convert to fraction form
    38,455.10/57,682.65 = 36,640.70/x
  3. Step 3: Cross multiply
    38,455.10x = 57,682.65 × 36,640.70
  4. Step 4: Simplify right side
    38,455.10x = 2,113,532,673.86
  5. Step 5: Solve for x
    x = 2,113,532,673.86/38,455.10
  6. Step 6: Final answer
    x = 54,961.05

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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.