Home / 47,725.10-71,566.05-21,416.30

Finding the Fourth Proportional to 47,725.10, 71,566.05 and 21,416.30

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Solution

The fourth proportional to 47,725.10, 71,566.05 and 21,416.30 is: 32,114.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,725.10 : 71,566.05 = 21,416.30 : x
  2. Step 2: Convert to fraction form
    47,725.10/71,566.05 = 21,416.30/x
  3. Step 3: Cross multiply
    47,725.10x = 71,566.05 × 21,416.30
  4. Step 4: Simplify right side
    47,725.10x = 1,532,679,996.62
  5. Step 5: Solve for x
    x = 1,532,679,996.62/47,725.10
  6. Step 6: Final answer
    x = 32,114.76

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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.