Home / 64,240.64-96,325.56-19,855.16

Finding the Fourth Proportional to 64,240.64, 96,325.56 and 19,855.16

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Solution

The fourth proportional to 64,240.64, 96,325.56 and 19,855.16 is: 29,771.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,240.64 : 96,325.56 = 19,855.16 : x
  2. Step 2: Convert to fraction form
    64,240.64/96,325.56 = 19,855.16/x
  3. Step 3: Cross multiply
    64,240.64x = 96,325.56 × 19,855.16
  4. Step 4: Simplify right side
    64,240.64x = 1,912,559,405.89
  5. Step 5: Solve for x
    x = 1,912,559,405.89/64,240.64
  6. Step 6: Final answer
    x = 29,771.80

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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.