Home / 47,409.98-71,118.61-14,127.48

Finding the Fourth Proportional to 47,409.98, 71,118.61 and 14,127.48

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Solution

The fourth proportional to 47,409.98, 71,118.61 and 14,127.48 is: 21,192.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,409.98 : 71,118.61 = 14,127.48 : x
  2. Step 2: Convert to fraction form
    47,409.98/71,118.61 = 14,127.48/x
  3. Step 3: Cross multiply
    47,409.98x = 71,118.61 × 14,127.48
  4. Step 4: Simplify right side
    47,409.98x = 1,004,726,705.08
  5. Step 5: Solve for x
    x = 1,004,726,705.08/47,409.98
  6. Step 6: Final answer
    x = 21,192.31

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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.