Home / 47,882.52-71,822.16-12,821.94

Finding the Fourth Proportional to 47,882.52, 71,822.16 and 12,821.94

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Solution

The fourth proportional to 47,882.52, 71,822.16 and 12,821.94 is: 19,232.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,882.52 : 71,822.16 = 12,821.94 : x
  2. Step 2: Convert to fraction form
    47,882.52/71,822.16 = 12,821.94/x
  3. Step 3: Cross multiply
    47,882.52x = 71,822.16 × 12,821.94
  4. Step 4: Simplify right side
    47,882.52x = 920,899,426.19
  5. Step 5: Solve for x
    x = 920,899,426.19/47,882.52
  6. Step 6: Final answer
    x = 19,232.48

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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.