Home / 64,908.37-97,366.10-20,531.82

Finding the Fourth Proportional to 64,908.37, 97,366.10 and 20,531.82

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Solution

The fourth proportional to 64,908.37, 97,366.10 and 20,531.82 is: 30,798.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,908.37 : 97,366.10 = 20,531.82 : x
  2. Step 2: Convert to fraction form
    64,908.37/97,366.10 = 20,531.82/x
  3. Step 3: Cross multiply
    64,908.37x = 97,366.10 × 20,531.82
  4. Step 4: Simplify right side
    64,908.37x = 1,999,103,136.64
  5. Step 5: Solve for x
    x = 1,999,103,136.64/64,908.37
  6. Step 6: Final answer
    x = 30,798.85

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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.