Home / 38,455.02-57,613.21-36,139.10

Finding the Fourth Proportional to 38,455.02, 57,613.21 and 36,139.10

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Solution

The fourth proportional to 38,455.02, 57,613.21 and 36,139.10 is: 54,143.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,455.02 : 57,613.21 = 36,139.10 : x
  2. Step 2: Convert to fraction form
    38,455.02/57,613.21 = 36,139.10/x
  3. Step 3: Cross multiply
    38,455.02x = 57,613.21 × 36,139.10
  4. Step 4: Simplify right side
    38,455.02x = 2,082,089,179.10
  5. Step 5: Solve for x
    x = 2,082,089,179.10/38,455.02
  6. Step 6: Final answer
    x = 54,143.49

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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.