Home / 47,643.72-71,477.37-33,631.20

Finding the Fourth Proportional to 47,643.72, 71,477.37 and 33,631.20

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Solution

The fourth proportional to 47,643.72, 71,477.37 and 33,631.20 is: 50,455.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,643.72 : 71,477.37 = 33,631.20 : x
  2. Step 2: Convert to fraction form
    47,643.72/71,477.37 = 33,631.20/x
  3. Step 3: Cross multiply
    47,643.72x = 71,477.37 × 33,631.20
  4. Step 4: Simplify right side
    47,643.72x = 2,403,869,725.94
  5. Step 5: Solve for x
    x = 2,403,869,725.94/47,643.72
  6. Step 6: Final answer
    x = 50,455.12

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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.