Home / 47,172.06-70,733.70-13,887.81

Finding the Fourth Proportional to 47,172.06, 70,733.70 and 13,887.81

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Solution

The fourth proportional to 47,172.06, 70,733.70 and 13,887.81 is: 20,824.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,172.06 : 70,733.70 = 13,887.81 : x
  2. Step 2: Convert to fraction form
    47,172.06/70,733.70 = 13,887.81/x
  3. Step 3: Cross multiply
    47,172.06x = 70,733.70 × 13,887.81
  4. Step 4: Simplify right side
    47,172.06x = 982,336,186.20
  5. Step 5: Solve for x
    x = 982,336,186.20/47,172.06
  6. Step 6: Final answer
    x = 20,824.53

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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.