Home / 47,485.28-71,227.24-14,205.60

Finding the Fourth Proportional to 47,485.28, 71,227.24 and 14,205.60

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Solution

The fourth proportional to 47,485.28, 71,227.24 and 14,205.60 is: 21,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,485.28 : 71,227.24 = 14,205.60 : x
  2. Step 2: Convert to fraction form
    47,485.28/71,227.24 = 14,205.60/x
  3. Step 3: Cross multiply
    47,485.28x = 71,227.24 × 14,205.60
  4. Step 4: Simplify right side
    47,485.28x = 1,011,825,680.54
  5. Step 5: Solve for x
    x = 1,011,825,680.54/47,485.28
  6. Step 6: Final answer
    x = 21,308.20

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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.