Home / 37,276.18-51,440.59-20,280.58

Finding the Fourth Proportional to 37,276.18, 51,440.59 and 20,280.58

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Solution

The fourth proportional to 37,276.18, 51,440.59 and 20,280.58 is: 27,986.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,276.18 : 51,440.59 = 20,280.58 : x
  2. Step 2: Convert to fraction form
    37,276.18/51,440.59 = 20,280.58/x
  3. Step 3: Cross multiply
    37,276.18x = 51,440.59 × 20,280.58
  4. Step 4: Simplify right side
    37,276.18x = 1,043,244,783.41
  5. Step 5: Solve for x
    x = 1,043,244,783.41/37,276.18
  6. Step 6: Final answer
    x = 27,986.90

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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.