Home / 64,150.17-96,215.15-21,455.28

Finding the Fourth Proportional to 64,150.17, 96,215.15 and 21,455.28

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Solution

The fourth proportional to 64,150.17, 96,215.15 and 21,455.28 is: 32,179.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,150.17 : 96,215.15 = 21,455.28 : x
  2. Step 2: Convert to fraction form
    64,150.17/96,215.15 = 21,455.28/x
  3. Step 3: Cross multiply
    64,150.17x = 96,215.15 × 21,455.28
  4. Step 4: Simplify right side
    64,150.17x = 2,064,322,502.42
  5. Step 5: Solve for x
    x = 2,064,322,502.42/64,150.17
  6. Step 6: Final answer
    x = 32,179.53

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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.