Home / 64,143.30-96,225.48-19,770.06

Finding the Fourth Proportional to 64,143.30, 96,225.48 and 19,770.06

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Solution

The fourth proportional to 64,143.30, 96,225.48 and 19,770.06 is: 29,658.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,143.30 : 96,225.48 = 19,770.06 : x
  2. Step 2: Convert to fraction form
    64,143.30/96,225.48 = 19,770.06/x
  3. Step 3: Cross multiply
    64,143.30x = 96,225.48 × 19,770.06
  4. Step 4: Simplify right side
    64,143.30x = 1,902,383,513.13
  5. Step 5: Solve for x
    x = 1,902,383,513.13/64,143.30
  6. Step 6: Final answer
    x = 29,658.34

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1.5x scale

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.