Home / 47,171.41-65,189.95-38,660.11

Finding the Fourth Proportional to 47,171.41, 65,189.95 and 38,660.11

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Solution

The fourth proportional to 47,171.41, 65,189.95 and 38,660.11 is: 53,427.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,171.41 : 65,189.95 = 38,660.11 : x
  2. Step 2: Convert to fraction form
    47,171.41/65,189.95 = 38,660.11/x
  3. Step 3: Cross multiply
    47,171.41x = 65,189.95 × 38,660.11
  4. Step 4: Simplify right side
    47,171.41x = 2,520,250,541.24
  5. Step 5: Solve for x
    x = 2,520,250,541.24/47,171.41
  6. Step 6: Final answer
    x = 53,427.50

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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.