Home / 47,745.10-71,596.05-21,436.30

Finding the Fourth Proportional to 47,745.10, 71,596.05 and 21,436.30

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Solution

The fourth proportional to 47,745.10, 71,596.05 and 21,436.30 is: 32,144.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,745.10 : 71,596.05 = 21,436.30 : x
  2. Step 2: Convert to fraction form
    47,745.10/71,596.05 = 21,436.30/x
  3. Step 3: Cross multiply
    47,745.10x = 71,596.05 × 21,436.30
  4. Step 4: Simplify right side
    47,745.10x = 1,534,754,406.62
  5. Step 5: Solve for x
    x = 1,534,754,406.62/47,745.10
  6. Step 6: Final answer
    x = 32,144.75

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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.