Home / 38,851.20-58,276.80-38,505.60

Finding the Fourth Proportional to 38,851.20, 58,276.80 and 38,505.60

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Solution

The fourth proportional to 38,851.20, 58,276.80 and 38,505.60 is: 57,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,851.20 : 58,276.80 = 38,505.60 : x
  2. Step 2: Convert to fraction form
    38,851.20/58,276.80 = 38,505.60/x
  3. Step 3: Cross multiply
    38,851.20x = 58,276.80 × 38,505.60
  4. Step 4: Simplify right side
    38,851.20x = 2,243,983,150.08
  5. Step 5: Solve for x
    x = 2,243,983,150.08/38,851.20
  6. Step 6: Final answer
    x = 57,758.40

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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.