Home / 47,639.48-71,456.34-21,337.16

Finding the Fourth Proportional to 47,639.48, 71,456.34 and 21,337.16

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Solution

The fourth proportional to 47,639.48, 71,456.34 and 21,337.16 is: 32,004.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,639.48 : 71,456.34 = 21,337.16 : x
  2. Step 2: Convert to fraction form
    47,639.48/71,456.34 = 21,337.16/x
  3. Step 3: Cross multiply
    47,639.48x = 71,456.34 × 21,337.16
  4. Step 4: Simplify right side
    47,639.48x = 1,524,675,359.59
  5. Step 5: Solve for x
    x = 1,524,675,359.59/47,639.48
  6. Step 6: Final answer
    x = 32,004.45

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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.