Home / 47,416.28-71,143.55-21,103.03

Finding the Fourth Proportional to 47,416.28, 71,143.55 and 21,103.03

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Solution

The fourth proportional to 47,416.28, 71,143.55 and 21,103.03 is: 31,663.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,416.28 : 71,143.55 = 21,103.03 : x
  2. Step 2: Convert to fraction form
    47,416.28/71,143.55 = 21,103.03/x
  3. Step 3: Cross multiply
    47,416.28x = 71,143.55 × 21,103.03
  4. Step 4: Simplify right side
    47,416.28x = 1,501,344,008.72
  5. Step 5: Solve for x
    x = 1,501,344,008.72/47,416.28
  6. Step 6: Final answer
    x = 31,663.05

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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.