Home / 64,970.37-97,469.33-20,591.28

Finding the Fourth Proportional to 64,970.37, 97,469.33 and 20,591.28

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Solution

The fourth proportional to 64,970.37, 97,469.33 and 20,591.28 is: 30,891.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,970.37 : 97,469.33 = 20,591.28 : x
  2. Step 2: Convert to fraction form
    64,970.37/97,469.33 = 20,591.28/x
  3. Step 3: Cross multiply
    64,970.37x = 97,469.33 × 20,591.28
  4. Step 4: Simplify right side
    64,970.37x = 2,007,018,162.49
  5. Step 5: Solve for x
    x = 2,007,018,162.49/64,970.37
  6. Step 6: Final answer
    x = 30,891.28

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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.