Home / 47,777.10-71,644.05-21,468.30

Finding the Fourth Proportional to 47,777.10, 71,644.05 and 21,468.30

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Solution

The fourth proportional to 47,777.10, 71,644.05 and 21,468.30 is: 32,192.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,777.10 : 71,644.05 = 21,468.30 : x
  2. Step 2: Convert to fraction form
    47,777.10/71,644.05 = 21,468.30/x
  3. Step 3: Cross multiply
    47,777.10x = 71,644.05 × 21,468.30
  4. Step 4: Simplify right side
    47,777.10x = 1,538,075,958.62
  5. Step 5: Solve for x
    x = 1,538,075,958.62/47,777.10
  6. Step 6: Final answer
    x = 32,192.74

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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.