Home / 47,322.09-70,989.48-14,042.57

Finding the Fourth Proportional to 47,322.09, 70,989.48 and 14,042.57

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Solution

The fourth proportional to 47,322.09, 70,989.48 and 14,042.57 is: 21,065.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,322.09 : 70,989.48 = 14,042.57 : x
  2. Step 2: Convert to fraction form
    47,322.09/70,989.48 = 14,042.57/x
  3. Step 3: Cross multiply
    47,322.09x = 70,989.48 × 14,042.57
  4. Step 4: Simplify right side
    47,322.09x = 996,874,387.22
  5. Step 5: Solve for x
    x = 996,874,387.22/47,322.09
  6. Step 6: Final answer
    x = 21,065.73

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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.