Home / 47,520.25-71,300.21-20,852.46

Finding the Fourth Proportional to 47,520.25, 71,300.21 and 20,852.46

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Solution

The fourth proportional to 47,520.25, 71,300.21 and 20,852.46 is: 31,287.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,520.25 : 71,300.21 = 20,852.46 : x
  2. Step 2: Convert to fraction form
    47,520.25/71,300.21 = 20,852.46/x
  3. Step 3: Cross multiply
    47,520.25x = 71,300.21 × 20,852.46
  4. Step 4: Simplify right side
    47,520.25x = 1,486,784,672.75
  5. Step 5: Solve for x
    x = 1,486,784,672.75/47,520.25
  6. Step 6: Final answer
    x = 31,287.39

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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.