Home / 47,792.39-71,708.18-21,124.28

Finding the Fourth Proportional to 47,792.39, 71,708.18 and 21,124.28

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Solution

The fourth proportional to 47,792.39, 71,708.18 and 21,124.28 is: 31,695.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,792.39 : 71,708.18 = 21,124.28 : x
  2. Step 2: Convert to fraction form
    47,792.39/71,708.18 = 21,124.28/x
  3. Step 3: Cross multiply
    47,792.39x = 71,708.18 × 21,124.28
  4. Step 4: Simplify right side
    47,792.39x = 1,514,783,208.45
  5. Step 5: Solve for x
    x = 1,514,783,208.45/47,792.39
  6. Step 6: Final answer
    x = 31,695.07

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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.